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masterserver.cpp
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#include "masterserver/masterserver.h"
#include "core/convar/concommand.h"
#include "shared/playlist.h"
#include "server/auth/serverauthentication.h"
#include "core/tier0.h"
#include "engine/r2engine.h"
#include "mods/modmanager.h"
#include "shared/misccommands.h"
#include "util/version.h"
#include "server/auth/bansystem.h"
#include "rapidjson/document.h"
#include "rapidjson/stringbuffer.h"
#include "rapidjson/writer.h"
#include "rapidjson/error/en.h"
#include <cstring>
#include <regex>
using namespace std::chrono_literals;
MasterServerManager* g_pMasterServerManager;
ConVar* Cvar_ns_masterserver_hostname;
ConVar* Cvar_ns_curl_log_enable;
RemoteServerInfo::RemoteServerInfo(
const char* newId,
const char* newName,
const char* newDescription,
const char* newMap,
const char* newPlaylist,
const char* newRegion,
int newPlayerCount,
int newMaxPlayers,
bool newRequiresPassword)
{
// passworded servers don't have public ips
requiresPassword = newRequiresPassword;
strncpy_s((char*)id, sizeof(id), newId, sizeof(id) - 1);
strncpy_s((char*)name, sizeof(name), newName, sizeof(name) - 1);
description = std::string(newDescription);
strncpy_s((char*)map, sizeof(map), newMap, sizeof(map) - 1);
strncpy_s((char*)playlist, sizeof(playlist), newPlaylist, sizeof(playlist) - 1);
strncpy((char*)region, newRegion, sizeof(region));
region[sizeof(region) - 1] = 0;
playerCount = newPlayerCount;
maxPlayers = newMaxPlayers;
}
void SetCommonHttpClientOptions(CURL* curl)
{
curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
curl_easy_setopt(curl, CURLOPT_VERBOSE, Cvar_ns_curl_log_enable->GetBool());
curl_easy_setopt(curl, CURLOPT_USERAGENT, &NSUserAgent);
// Timeout since the MS has fucky async functions without await, making curl hang due to a successful connection but no response for ~90
// seconds.
curl_easy_setopt(curl, CURLOPT_TIMEOUT, 30L);
// curl_easy_setopt(curl, CURLOPT_STDERR, stdout);
if (Tier0::CommandLine()->FindParm("-msinsecure")) // TODO: this check doesn't seem to work
{
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
}
}
void MasterServerManager::ClearServerList()
{
// this doesn't really do anything lol, probably isn't threadsafe
m_bRequestingServerList = true;
m_vRemoteServers.clear();
m_bRequestingServerList = false;
}
size_t CurlWriteToStringBufferCallback(char* contents, size_t size, size_t nmemb, void* userp)
{
((std::string*)userp)->append((char*)contents, size * nmemb);
return size * nmemb;
}
void MasterServerManager::AuthenticateOriginWithMasterServer(const char* uid, const char* originToken)
{
if (m_bOriginAuthWithMasterServerInProgress)
return;
// do this here so it's instantly set
m_bOriginAuthWithMasterServerInProgress = true;
std::string uidStr(uid);
std::string tokenStr(originToken);
m_bOriginAuthWithMasterServerSuccessful = false;
m_sOriginAuthWithMasterServerErrorCode = "";
m_sOriginAuthWithMasterServerErrorMessage = "";
std::thread requestThread(
[this, uidStr, tokenStr]()
{
spdlog::info("Trying to authenticate with northstar masterserver for user {}", uidStr);
CURL* curl = curl_easy_init();
SetCommonHttpClientOptions(curl);
std::string readBuffer;
curl_easy_setopt(
curl,
CURLOPT_URL,
fmt::format("{}/client/origin_auth?id={}&token={}", Cvar_ns_masterserver_hostname->GetString(), uidStr, tokenStr).c_str());
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "GET");
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWriteToStringBufferCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
CURLcode result = curl_easy_perform(curl);
if (result == CURLcode::CURLE_OK)
{
m_bSuccessfullyConnected = true;
rapidjson_document originAuthInfo;
originAuthInfo.Parse(readBuffer.c_str());
if (originAuthInfo.HasParseError())
{
spdlog::error(
"Failed reading origin auth info response: encountered parse error \"{}\"",
rapidjson::GetParseError_En(originAuthInfo.GetParseError()));
goto REQUEST_END_CLEANUP;
}
if (!originAuthInfo.IsObject() || !originAuthInfo.HasMember("success"))
{
spdlog::error("Failed reading origin auth info response: malformed response object {}", readBuffer);
goto REQUEST_END_CLEANUP;
}
if (originAuthInfo["success"].IsTrue() && originAuthInfo.HasMember("token") && originAuthInfo["token"].IsString())
{
strncpy_s(
m_sOwnClientAuthToken,
sizeof(m_sOwnClientAuthToken),
originAuthInfo["token"].GetString(),
sizeof(m_sOwnClientAuthToken) - 1);
spdlog::info("Northstar origin authentication completed successfully!");
m_bOriginAuthWithMasterServerSuccessful = true;
}
else
{
spdlog::error("Northstar origin authentication failed");
if (originAuthInfo.HasMember("error") && originAuthInfo["error"].IsObject())
{
if (originAuthInfo["error"].HasMember("enum") && originAuthInfo["error"]["enum"].IsString())
{
m_sOriginAuthWithMasterServerErrorCode = originAuthInfo["error"]["enum"].GetString();
}
if (originAuthInfo["error"].HasMember("msg") && originAuthInfo["error"]["msg"].IsString())
{
m_sOriginAuthWithMasterServerErrorMessage = originAuthInfo["error"]["msg"].GetString();
}
}
}
}
else
{
spdlog::error("Failed performing northstar origin auth: error {}", curl_easy_strerror(result));
m_bSuccessfullyConnected = false;
}
// we goto this instead of returning so we always hit this
REQUEST_END_CLEANUP:
m_bOriginAuthWithMasterServerInProgress = false;
m_bOriginAuthWithMasterServerDone = true;
curl_easy_cleanup(curl);
});
requestThread.detach();
}
void MasterServerManager::RequestServerList()
{
// do this here so it's instantly set on call for scripts
m_bScriptRequestingServerList = true;
std::thread requestThread(
[this]()
{
// make sure we never have 2 threads writing at once
// i sure do hope this is actually threadsafe
while (m_bRequestingServerList)
Sleep(100);
m_bRequestingServerList = true;
m_bScriptRequestingServerList = true;
spdlog::info("Requesting server list from {}", Cvar_ns_masterserver_hostname->GetString());
CURL* curl = curl_easy_init();
SetCommonHttpClientOptions(curl);
std::string readBuffer;
curl_easy_setopt(curl, CURLOPT_URL, fmt::format("{}/client/servers", Cvar_ns_masterserver_hostname->GetString()).c_str());
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "GET");
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWriteToStringBufferCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
CURLcode result = curl_easy_perform(curl);
if (result == CURLcode::CURLE_OK)
{
m_bSuccessfullyConnected = true;
rapidjson_document serverInfoJson;
serverInfoJson.Parse(readBuffer.c_str());
if (serverInfoJson.HasParseError())
{
spdlog::error(
"Failed reading masterserver response: encountered parse error \"{}\"",
rapidjson::GetParseError_En(serverInfoJson.GetParseError()));
goto REQUEST_END_CLEANUP;
}
if (serverInfoJson.IsObject() && serverInfoJson.HasMember("error"))
{
spdlog::error("Failed reading masterserver response: got fastify error response");
spdlog::error(readBuffer);
goto REQUEST_END_CLEANUP;
}
if (!serverInfoJson.IsArray())
{
spdlog::error("Failed reading masterserver response: root object is not an array");
goto REQUEST_END_CLEANUP;
}
rapidjson::GenericArray<false, rapidjson_document::GenericValue> serverArray = serverInfoJson.GetArray();
spdlog::info("Got {} servers", serverArray.Size());
for (auto& serverObj : serverArray)
{
if (!serverObj.IsObject())
{
spdlog::error("Failed reading masterserver response: member of server array is not an object");
goto REQUEST_END_CLEANUP;
}
// todo: verify json props are fine before adding to m_remoteServers
if (!serverObj.HasMember("id") || !serverObj["id"].IsString() || !serverObj.HasMember("name") ||
!serverObj["name"].IsString() || !serverObj.HasMember("description") || !serverObj["description"].IsString() ||
!serverObj.HasMember("map") || !serverObj["map"].IsString() || !serverObj.HasMember("playlist") ||
!serverObj["playlist"].IsString() || !serverObj.HasMember("playerCount") || !serverObj["playerCount"].IsNumber() ||
!serverObj.HasMember("maxPlayers") || !serverObj["maxPlayers"].IsNumber() || !serverObj.HasMember("hasPassword") ||
!serverObj["hasPassword"].IsBool() || !serverObj.HasMember("modInfo") || !serverObj["modInfo"].HasMember("Mods") ||
!serverObj["modInfo"]["Mods"].IsArray())
{
spdlog::error("Failed reading masterserver response: malformed server object");
continue;
};
const char* id = serverObj["id"].GetString();
RemoteServerInfo* newServer = nullptr;
bool createNewServerInfo = true;
for (RemoteServerInfo& server : m_vRemoteServers)
{
// if server already exists, update info rather than adding to it
if (!strncmp((const char*)server.id, id, 32))
{
server = RemoteServerInfo(
id,
serverObj["name"].GetString(),
serverObj["description"].GetString(),
serverObj["map"].GetString(),
serverObj["playlist"].GetString(),
(serverObj.HasMember("region") && serverObj["region"].IsString()) ? serverObj["region"].GetString() : "",
serverObj["playerCount"].GetInt(),
serverObj["maxPlayers"].GetInt(),
serverObj["hasPassword"].IsTrue());
newServer = &server;
createNewServerInfo = false;
break;
}
}
// server didn't exist
if (createNewServerInfo)
newServer = &m_vRemoteServers.emplace_back(
id,
serverObj["name"].GetString(),
serverObj["description"].GetString(),
serverObj["map"].GetString(),
serverObj["playlist"].GetString(),
(serverObj.HasMember("region") && serverObj["region"].IsString()) ? serverObj["region"].GetString() : "",
serverObj["playerCount"].GetInt(),
serverObj["maxPlayers"].GetInt(),
serverObj["hasPassword"].IsTrue());
newServer->requiredMods.clear();
for (auto& requiredMod : serverObj["modInfo"]["Mods"].GetArray())
{
RemoteModInfo modInfo;
if (!requiredMod.HasMember("RequiredOnClient") || !requiredMod["RequiredOnClient"].IsTrue())
continue;
if (!requiredMod.HasMember("Name") || !requiredMod["Name"].IsString())
continue;
modInfo.Name = requiredMod["Name"].GetString();
if (!requiredMod.HasMember("Version") || !requiredMod["Version"].IsString())
continue;
modInfo.Version = requiredMod["Version"].GetString();
newServer->requiredMods.push_back(modInfo);
}
// Can probably re-enable this later with a -verbose flag, but slows down loading of the server browser quite a bit as
// is
// spdlog::info(
// "Server {} on map {} with playlist {} has {}/{} players", serverObj["name"].GetString(),
// serverObj["map"].GetString(), serverObj["playlist"].GetString(), serverObj["playerCount"].GetInt(),
// serverObj["maxPlayers"].GetInt());
}
std::sort(
m_vRemoteServers.begin(),
m_vRemoteServers.end(),
[](RemoteServerInfo& a, RemoteServerInfo& b) { return a.playerCount > b.playerCount; });
}
else
{
spdlog::error("Failed requesting servers: error {}", curl_easy_strerror(result));
m_bSuccessfullyConnected = false;
}
// we goto this instead of returning so we always hit this
REQUEST_END_CLEANUP:
m_bRequestingServerList = false;
m_bScriptRequestingServerList = false;
curl_easy_cleanup(curl);
});
requestThread.detach();
}
void MasterServerManager::RequestMainMenuPromos()
{
m_bHasMainMenuPromoData = false;
std::thread requestThread(
[this]()
{
while (m_bOriginAuthWithMasterServerInProgress || !m_bOriginAuthWithMasterServerDone)
Sleep(500);
CURL* curl = curl_easy_init();
SetCommonHttpClientOptions(curl);
std::string readBuffer;
curl_easy_setopt(
curl, CURLOPT_URL, fmt::format("{}/client/mainmenupromos", Cvar_ns_masterserver_hostname->GetString()).c_str());
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "GET");
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWriteToStringBufferCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
CURLcode result = curl_easy_perform(curl);
if (result == CURLcode::CURLE_OK)
{
m_bSuccessfullyConnected = true;
rapidjson_document mainMenuPromoJson;
mainMenuPromoJson.Parse(readBuffer.c_str());
if (mainMenuPromoJson.HasParseError())
{
spdlog::error(
"Failed reading masterserver main menu promos response: encountered parse error \"{}\"",
rapidjson::GetParseError_En(mainMenuPromoJson.GetParseError()));
goto REQUEST_END_CLEANUP;
}
if (!mainMenuPromoJson.IsObject())
{
spdlog::error("Failed reading masterserver main menu promos response: root object is not an object");
goto REQUEST_END_CLEANUP;
}
if (mainMenuPromoJson.HasMember("error"))
{
spdlog::error("Failed reading masterserver response: got fastify error response");
spdlog::error(readBuffer);
goto REQUEST_END_CLEANUP;
}
if (!mainMenuPromoJson.HasMember("newInfo") || !mainMenuPromoJson["newInfo"].IsObject() ||
!mainMenuPromoJson["newInfo"].HasMember("Title1") || !mainMenuPromoJson["newInfo"]["Title1"].IsString() ||
!mainMenuPromoJson["newInfo"].HasMember("Title2") || !mainMenuPromoJson["newInfo"]["Title2"].IsString() ||
!mainMenuPromoJson["newInfo"].HasMember("Title3") || !mainMenuPromoJson["newInfo"]["Title3"].IsString() ||
!mainMenuPromoJson.HasMember("largeButton") || !mainMenuPromoJson["largeButton"].IsObject() ||
!mainMenuPromoJson["largeButton"].HasMember("Title") || !mainMenuPromoJson["largeButton"]["Title"].IsString() ||
!mainMenuPromoJson["largeButton"].HasMember("Text") || !mainMenuPromoJson["largeButton"]["Text"].IsString() ||
!mainMenuPromoJson["largeButton"].HasMember("Url") || !mainMenuPromoJson["largeButton"]["Url"].IsString() ||
!mainMenuPromoJson["largeButton"].HasMember("ImageIndex") ||
!mainMenuPromoJson["largeButton"]["ImageIndex"].IsNumber() ||
!mainMenuPromoJson.HasMember("smallButton1") || !mainMenuPromoJson["smallButton1"].IsObject() ||
!mainMenuPromoJson["smallButton1"].HasMember("Title") || !mainMenuPromoJson["smallButton1"]["Title"].IsString() ||
!mainMenuPromoJson["smallButton1"].HasMember("Url") || !mainMenuPromoJson["smallButton1"]["Url"].IsString() ||
!mainMenuPromoJson["smallButton1"].HasMember("ImageIndex") ||
!mainMenuPromoJson["smallButton1"]["ImageIndex"].IsNumber() ||
!mainMenuPromoJson.HasMember("smallButton2") || !mainMenuPromoJson["smallButton2"].IsObject() ||
!mainMenuPromoJson["smallButton2"].HasMember("Title") || !mainMenuPromoJson["smallButton2"]["Title"].IsString() ||
!mainMenuPromoJson["smallButton2"].HasMember("Url") || !mainMenuPromoJson["smallButton2"]["Url"].IsString() ||
!mainMenuPromoJson["smallButton2"].HasMember("ImageIndex") ||
!mainMenuPromoJson["smallButton2"]["ImageIndex"].IsNumber())
{
spdlog::error("Failed reading masterserver main menu promos response: malformed json object");
goto REQUEST_END_CLEANUP;
}
m_sMainMenuPromoData.newInfoTitle1 = mainMenuPromoJson["newInfo"]["Title1"].GetString();
m_sMainMenuPromoData.newInfoTitle2 = mainMenuPromoJson["newInfo"]["Title2"].GetString();
m_sMainMenuPromoData.newInfoTitle3 = mainMenuPromoJson["newInfo"]["Title3"].GetString();
m_sMainMenuPromoData.largeButtonTitle = mainMenuPromoJson["largeButton"]["Title"].GetString();
m_sMainMenuPromoData.largeButtonText = mainMenuPromoJson["largeButton"]["Text"].GetString();
m_sMainMenuPromoData.largeButtonUrl = mainMenuPromoJson["largeButton"]["Url"].GetString();
m_sMainMenuPromoData.largeButtonImageIndex = mainMenuPromoJson["largeButton"]["ImageIndex"].GetInt();
m_sMainMenuPromoData.smallButton1Title = mainMenuPromoJson["smallButton1"]["Title"].GetString();
m_sMainMenuPromoData.smallButton1Url = mainMenuPromoJson["smallButton1"]["Url"].GetString();
m_sMainMenuPromoData.smallButton1ImageIndex = mainMenuPromoJson["smallButton1"]["ImageIndex"].GetInt();
m_sMainMenuPromoData.smallButton2Title = mainMenuPromoJson["smallButton2"]["Title"].GetString();
m_sMainMenuPromoData.smallButton2Url = mainMenuPromoJson["smallButton2"]["Url"].GetString();
m_sMainMenuPromoData.smallButton2ImageIndex = mainMenuPromoJson["smallButton2"]["ImageIndex"].GetInt();
m_bHasMainMenuPromoData = true;
}
else
{
spdlog::error("Failed requesting main menu promos: error {}", curl_easy_strerror(result));
m_bSuccessfullyConnected = false;
}
REQUEST_END_CLEANUP:
// nothing lol
curl_easy_cleanup(curl);
});
requestThread.detach();
}
void MasterServerManager::AuthenticateWithOwnServer(const char* uid, const char* playerToken)
{
// dont wait, just stop if we're trying to do 2 auth requests at once
if (m_bAuthenticatingWithGameServer)
return;
m_bAuthenticatingWithGameServer = true;
m_bScriptAuthenticatingWithGameServer = true;
m_bSuccessfullyAuthenticatedWithGameServer = false;
m_sAuthFailureReason = "Authentication Failed";
std::string uidStr(uid);
std::string tokenStr(playerToken);
std::thread requestThread(
[this, uidStr, tokenStr]()
{
CURL* curl = curl_easy_init();
SetCommonHttpClientOptions(curl);
std::string readBuffer;
curl_easy_setopt(
curl,
CURLOPT_URL,
fmt::format("{}/client/auth_with_self?id={}&playerToken={}", Cvar_ns_masterserver_hostname->GetString(), uidStr, tokenStr)
.c_str());
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWriteToStringBufferCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
CURLcode result = curl_easy_perform(curl);
if (result == CURLcode::CURLE_OK)
{
m_bSuccessfullyConnected = true;
rapidjson_document authInfoJson;
authInfoJson.Parse(readBuffer.c_str());
if (authInfoJson.HasParseError())
{
spdlog::error(
"Failed reading masterserver authentication response: encountered parse error \"{}\"",
rapidjson::GetParseError_En(authInfoJson.GetParseError()));
goto REQUEST_END_CLEANUP;
}
if (!authInfoJson.IsObject())
{
spdlog::error("Failed reading masterserver authentication response: root object is not an object");
goto REQUEST_END_CLEANUP;
}
if (authInfoJson.HasMember("error"))
{
spdlog::error("Failed reading masterserver response: got fastify error response");
spdlog::error(readBuffer);
if (authInfoJson["error"].HasMember("msg"))
m_sAuthFailureReason = authInfoJson["error"]["msg"].GetString();
else if (authInfoJson["error"].HasMember("enum"))
m_sAuthFailureReason = authInfoJson["error"]["enum"].GetString();
else
m_sAuthFailureReason = "No error message provided";
goto REQUEST_END_CLEANUP;
}
if (!authInfoJson["success"].IsTrue())
{
spdlog::error("Authentication with masterserver failed: \"success\" is not true");
goto REQUEST_END_CLEANUP;
}
if (!authInfoJson.HasMember("success") || !authInfoJson.HasMember("id") || !authInfoJson["id"].IsString() ||
!authInfoJson.HasMember("authToken") || !authInfoJson["authToken"].IsString() ||
!authInfoJson.HasMember("persistentData") || !authInfoJson["persistentData"].IsArray())
{
spdlog::error("Failed reading masterserver authentication response: malformed json object");
goto REQUEST_END_CLEANUP;
}
RemoteAuthData newAuthData {};
strncpy_s(newAuthData.uid, sizeof(newAuthData.uid), authInfoJson["id"].GetString(), sizeof(newAuthData.uid) - 1);
newAuthData.pdataSize = authInfoJson["persistentData"].GetArray().Size();
newAuthData.pdata = new char[newAuthData.pdataSize];
// memcpy(newAuthData.pdata, authInfoJson["persistentData"].GetString(), newAuthData.pdataSize);
int i = 0;
// note: persistentData is a uint8array because i had problems getting strings to behave, it sucks but it's just how it be
// unfortunately potentially refactor later
for (auto& byte : authInfoJson["persistentData"].GetArray())
{
if (!byte.IsUint() || byte.GetUint() > 255)
{
spdlog::error("Failed reading masterserver authentication response: malformed json object");
goto REQUEST_END_CLEANUP;
}
newAuthData.pdata[i++] = static_cast<char>(byte.GetUint());
}
std::lock_guard<std::mutex> guard(g_pServerAuthentication->m_AuthDataMutex);
g_pServerAuthentication->m_RemoteAuthenticationData.clear();
g_pServerAuthentication->m_RemoteAuthenticationData.insert(
std::make_pair(authInfoJson["authToken"].GetString(), newAuthData));
m_bSuccessfullyAuthenticatedWithGameServer = true;
}
else
{
spdlog::error("Failed authenticating with own server: error {}", curl_easy_strerror(result));
m_bSuccessfullyConnected = false;
m_bSuccessfullyAuthenticatedWithGameServer = false;
m_bScriptAuthenticatingWithGameServer = false;
}
REQUEST_END_CLEANUP:
m_bAuthenticatingWithGameServer = false;
m_bScriptAuthenticatingWithGameServer = false;
if (m_bNewgameAfterSelfAuth)
{
// pretty sure this is threadsafe?
R2::Cbuf_AddText(R2::Cbuf_GetCurrentPlayer(), "ns_end_reauth_and_leave_to_lobby", R2::cmd_source_t::kCommandSrcCode);
m_bNewgameAfterSelfAuth = false;
}
curl_easy_cleanup(curl);
});
requestThread.detach();
}
void MasterServerManager::AuthenticateWithServer(const char* uid, const char* playerToken, RemoteServerInfo server, const char* password)
{
// dont wait, just stop if we're trying to do 2 auth requests at once
if (m_bAuthenticatingWithGameServer)
return;
m_bAuthenticatingWithGameServer = true;
m_bScriptAuthenticatingWithGameServer = true;
m_bSuccessfullyAuthenticatedWithGameServer = false;
m_sAuthFailureReason = "Authentication Failed";
std::string uidStr(uid);
std::string tokenStr(playerToken);
std::string serverIdStr(server.id);
std::string passwordStr(password);
std::thread requestThread(
[this, uidStr, tokenStr, serverIdStr, passwordStr, server]()
{
// esnure that any persistence saving is done, so we know masterserver has newest
while (m_bSavingPersistentData)
Sleep(100);
spdlog::info("Attempting authentication with server of id \"{}\"", serverIdStr);
CURL* curl = curl_easy_init();
SetCommonHttpClientOptions(curl);
std::string readBuffer;
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWriteToStringBufferCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
{
char* escapedPassword = curl_easy_escape(curl, passwordStr.c_str(), passwordStr.length());
curl_easy_setopt(
curl,
CURLOPT_URL,
fmt::format(
"{}/client/auth_with_server?id={}&playerToken={}&server={}&password={}",
Cvar_ns_masterserver_hostname->GetString(),
uidStr,
tokenStr,
serverIdStr,
escapedPassword)
.c_str());
curl_free(escapedPassword);
}
CURLcode result = curl_easy_perform(curl);
if (result == CURLcode::CURLE_OK)
{
m_bSuccessfullyConnected = true;
rapidjson_document connectionInfoJson;
connectionInfoJson.Parse(readBuffer.c_str());
if (connectionInfoJson.HasParseError())
{
spdlog::error(
"Failed reading masterserver authentication response: encountered parse error \"{}\"",
rapidjson::GetParseError_En(connectionInfoJson.GetParseError()));
goto REQUEST_END_CLEANUP;
}
if (!connectionInfoJson.IsObject())
{
spdlog::error("Failed reading masterserver authentication response: root object is not an object");
goto REQUEST_END_CLEANUP;
}
if (connectionInfoJson.HasMember("error"))
{
spdlog::error("Failed reading masterserver response: got fastify error response");
spdlog::error(readBuffer);
if (connectionInfoJson["error"].HasMember("msg"))
m_sAuthFailureReason = connectionInfoJson["error"]["msg"].GetString();
else if (connectionInfoJson["error"].HasMember("enum"))
m_sAuthFailureReason = connectionInfoJson["error"]["enum"].GetString();
else
m_sAuthFailureReason = "No error message provided";
goto REQUEST_END_CLEANUP;
}
if (!connectionInfoJson["success"].IsTrue())
{
spdlog::error("Authentication with masterserver failed: \"success\" is not true");
goto REQUEST_END_CLEANUP;
}
if (!connectionInfoJson.HasMember("success") || !connectionInfoJson.HasMember("ip") ||
!connectionInfoJson["ip"].IsString() || !connectionInfoJson.HasMember("port") ||
!connectionInfoJson["port"].IsNumber() || !connectionInfoJson.HasMember("authToken") ||
!connectionInfoJson["authToken"].IsString())
{
spdlog::error("Failed reading masterserver authentication response: malformed json object");
goto REQUEST_END_CLEANUP;
}
m_pendingConnectionInfo.ip.S_un.S_addr = inet_addr(connectionInfoJson["ip"].GetString());
m_pendingConnectionInfo.port = (unsigned short)connectionInfoJson["port"].GetUint();
strncpy_s(
m_pendingConnectionInfo.authToken,
sizeof(m_pendingConnectionInfo.authToken),
connectionInfoJson["authToken"].GetString(),
sizeof(m_pendingConnectionInfo.authToken) - 1);
m_bHasPendingConnectionInfo = true;
m_bSuccessfullyAuthenticatedWithGameServer = true;
m_currentServer = server;
m_sCurrentServerPassword = passwordStr;
}
else
{
spdlog::error("Failed authenticating with server: error {}", curl_easy_strerror(result));
m_bSuccessfullyConnected = false;
m_bSuccessfullyAuthenticatedWithGameServer = false;
m_bScriptAuthenticatingWithGameServer = false;
}
REQUEST_END_CLEANUP:
m_bAuthenticatingWithGameServer = false;
m_bScriptAuthenticatingWithGameServer = false;
curl_easy_cleanup(curl);
});
requestThread.detach();
}
void MasterServerManager::WritePlayerPersistentData(const char* playerId, const char* pdata, size_t pdataSize)
{
// still call this if we don't have a server id, since lobbies that aren't port forwarded need to be able to call it
m_bSavingPersistentData = true;
if (!pdataSize)
{
spdlog::warn("attempted to write pdata of size 0!");
return;
}
std::string strPlayerId(playerId);
std::string strPdata(pdata, pdataSize);
std::thread requestThread(
[this, strPlayerId, strPdata, pdataSize]
{
CURL* curl = curl_easy_init();
SetCommonHttpClientOptions(curl);
std::string readBuffer;
curl_easy_setopt(
curl,
CURLOPT_URL,
fmt::format(
"{}/accounts/write_persistence?id={}&serverId={}",
Cvar_ns_masterserver_hostname->GetString(),
strPlayerId,
m_sOwnServerId)
.c_str());
curl_easy_setopt(curl, CURLOPT_POST, 1L);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWriteToStringBufferCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
curl_mime* mime = curl_mime_init(curl);
curl_mimepart* part = curl_mime_addpart(mime);
curl_mime_data(part, strPdata.c_str(), pdataSize);
curl_mime_name(part, "pdata");
curl_mime_filename(part, "file.pdata");
curl_mime_type(part, "application/octet-stream");
curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
CURLcode result = curl_easy_perform(curl);
if (result == CURLcode::CURLE_OK)
m_bSuccessfullyConnected = true;
else
m_bSuccessfullyConnected = false;
curl_easy_cleanup(curl);
m_bSavingPersistentData = false;
});
requestThread.detach();
}
void MasterServerManager::ProcessConnectionlessPacketSigreq1(std::string data)
{
rapidjson_document obj;
obj.Parse(data);
if (obj.HasParseError())
{
// note: it's okay to print the data as-is since we've already checked that it actually came from Atlas
spdlog::error("invalid Atlas connectionless packet request ({}): {}", data, GetParseError_En(obj.GetParseError()));
return;
}
if (!obj.HasMember("type") || !obj["type"].IsString())
{
spdlog::error("invalid Atlas connectionless packet request ({}): missing type", data);
return;
}
std::string type = obj["type"].GetString();
if (type == "connect")
{
if (!obj.HasMember("token") || !obj["token"].IsString())
{
spdlog::error("failed to handle Atlas connect request: missing or invalid connection token field");
return;
}
std::string token = obj["token"].GetString();
if (!m_handledServerConnections.contains(token))
m_handledServerConnections.insert(token);
else
return; // already handled
spdlog::info("handling Atlas connect request {}", data);
if (!obj.HasMember("uid") || !obj["uid"].IsUint64())
{
spdlog::error("failed to handle Atlas connect request {}: missing or invalid uid field", token);
return;
}
uint64_t uid = obj["uid"].GetUint64();
std::string username;
if (obj.HasMember("username") && obj["username"].IsString())
username = obj["username"].GetString();
std::string reject;
if (!g_pBanSystem->IsUIDAllowed(uid))
reject = "Banned from this server.";
std::string pdata;
if (reject == "")
{
spdlog::info("getting pdata for connection {} (uid={} username={})", token, uid, username);
CURL* curl = curl_easy_init();
SetCommonHttpClientOptions(curl);
curl_easy_setopt(
curl,
CURLOPT_URL,
fmt::format("{}/server/connect?serverId={}&token={}", Cvar_ns_masterserver_hostname->GetString(), m_sOwnServerId, token)
.c_str());
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWriteToStringBufferCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &pdata);
CURLcode result = curl_easy_perform(curl);
if (result != CURLcode::CURLE_OK)
{
spdlog::error("failed to make Atlas connect pdata request {}: {}", token, curl_easy_strerror(result));
curl_easy_cleanup(curl);
return;
}
long respStatus = -1;
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &respStatus);
curl_easy_cleanup(curl);
if (respStatus != 200)
{
rapidjson_document obj;
obj.Parse(pdata.c_str());
if (!obj.HasParseError() && obj.HasMember("error") && obj["error"].IsObject())
spdlog::error(
"failed to make Atlas connect pdata request {}: response status {}, error: {} ({})",
token,
respStatus,
((obj["error"].HasMember("enum") && obj["error"]["enum"].IsString()) ? obj["error"]["enum"].GetString() : ""),
((obj["error"].HasMember("msg") && obj["error"]["msg"].IsString()) ? obj["error"]["msg"].GetString() : ""));
else
spdlog::error("failed to make Atlas connect pdata request {}: response status {}", token, respStatus);
return;
}
if (!pdata.length())
{
spdlog::error("failed to make Atlas connect pdata request {}: pdata response is empty", token);
return;
}
if (pdata.length() > R2::PERSISTENCE_MAX_SIZE)
{
spdlog::error(
"failed to make Atlas connect pdata request {}: pdata is too large (max={} len={})",
token,
R2::PERSISTENCE_MAX_SIZE,
pdata.length());
return;
}
}
if (reject == "")
spdlog::info("accepting connection {} (uid={} username={}) with {} bytes of pdata", token, uid, username, pdata.length());
else
spdlog::info("rejecting connection {} (uid={} username={}) with reason \"{}\"", token, uid, username, reject);
if (reject == "")
g_pServerAuthentication->AddRemotePlayer(token, uid, username, pdata);
{
CURL* curl = curl_easy_init();
SetCommonHttpClientOptions(curl);
char* rejectEnc = curl_easy_escape(curl, reject.c_str(), reject.length());
if (!rejectEnc)
{
spdlog::error("failed to handle Atlas connect request {}: failed to escape reject", token);
return;
}
curl_easy_setopt(
curl,
CURLOPT_URL,
fmt::format(
"{}/server/connect?serverId={}&token={}&reject={}",
Cvar_ns_masterserver_hostname->GetString(),
m_sOwnServerId,
token,
rejectEnc)
.c_str());
curl_free(rejectEnc);
// note: we don't actually have any POST data, so we can't use CURLOPT_POST or the behavior is undefined (e.g., hangs in wine)
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
std::string buf;
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, CurlWriteToStringBufferCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buf);
CURLcode result = curl_easy_perform(curl);
if (result != CURLcode::CURLE_OK)
{
spdlog::error("failed to respond to Atlas connect request {}: {}", token, curl_easy_strerror(result));
curl_easy_cleanup(curl);
return;
}
long respStatus = -1;
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &respStatus);
curl_easy_cleanup(curl);
if (respStatus != 200)
{
rapidjson_document obj;
obj.Parse(buf.c_str());
if (!obj.HasParseError() && obj.HasMember("error") && obj["error"].IsObject())
spdlog::error(
"failed to respond to Atlas connect request {}: response status {}, error: {} ({})",
token,
respStatus,
((obj["error"].HasMember("enum") && obj["error"]["enum"].IsString()) ? obj["error"]["enum"].GetString() : ""),
((obj["error"].HasMember("msg") && obj["error"]["msg"].IsString()) ? obj["error"]["msg"].GetString() : ""));
else
spdlog::error("failed to respond to Atlas connect request {}: response status {}", token, respStatus);
return;
}
}
return;
}
spdlog::error("invalid Atlas connectionless packet request: unknown type {}", type);
}
void ConCommand_ns_fetchservers(const CCommand& args)
{
g_pMasterServerManager->RequestServerList();
}
MasterServerManager::MasterServerManager() : m_pendingConnectionInfo {}, m_sOwnServerId {""}, m_sOwnClientAuthToken {""} {}
ON_DLL_LOAD_RELIESON("engine.dll", MasterServer, (ConCommand, ServerPresence), (CModule module))
{
g_pMasterServerManager = new MasterServerManager;
Cvar_ns_masterserver_hostname = new ConVar("ns_masterserver_hostname", "127.0.0.1", FCVAR_NONE, "");
Cvar_ns_curl_log_enable = new ConVar("ns_curl_log_enable", "0", FCVAR_NONE, "Whether curl should log to the console");
RegisterConCommand("ns_fetchservers", ConCommand_ns_fetchservers, "Fetch all servers from the masterserver", FCVAR_CLIENTDLL);
MasterServerPresenceReporter* presenceReporter = new MasterServerPresenceReporter;
g_pServerPresence->AddPresenceReporter(presenceReporter);