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#include "stdafx.h"
#include "WhitelistManager.h"
#include "..\Common\AccessStorageUtils.h"
#include "..\Common\FileUtils.h"
#include "..\Common\StringUtils.h"
#include "..\ServerLogger.h"
#include "..\vendor\nlohmann\json.hpp"
#include <algorithm>
namespace ServerRuntime
{
namespace Access
{
using OrderedJson = nlohmann::ordered_json;
namespace
{
static const char *kWhitelistFileName = "whitelist.json";
}
WhitelistManager::WhitelistManager(const std::string &baseDirectory)
: m_baseDirectory(baseDirectory.empty() ? "." : baseDirectory)
{
}
bool WhitelistManager::EnsureWhitelistFileExists() const
{
const std::string path = GetWhitelistFilePath();
if (!AccessStorageUtils::EnsureJsonListFileExists(path))
{
LogErrorf("access", "failed to create %s", path.c_str());
return false;
}
return true;
}
bool WhitelistManager::Reload()
{
std::vector<WhitelistedPlayerEntry> players;
if (!LoadPlayers(&players))
{
return false;
}
m_whitelistedPlayers.swap(players);
return true;
}
bool WhitelistManager::Save() const
{
std::vector<WhitelistedPlayerEntry> players;
return SnapshotWhitelistedPlayers(&players) && SavePlayers(players);
}
bool WhitelistManager::LoadPlayers(std::vector<WhitelistedPlayerEntry> *outEntries) const
{
if (outEntries == nullptr)
{
return false;
}
outEntries->clear();
std::string text;
const std::string path = GetWhitelistFilePath();
if (!FileUtils::ReadTextFile(path, &text))
{
LogErrorf("access", "failed to read %s", path.c_str());
return false;
}
if (text.empty())
{
text = "[]";
}
OrderedJson root;
try
{
root = OrderedJson::parse(StringUtils::StripUtf8Bom(text));
}
catch (const nlohmann::json::exception &e)
{
LogErrorf("access", "failed to parse %s: %s", path.c_str(), e.what());
return false;
}
if (!root.is_array())
{
LogErrorf("access", "failed to parse %s: root json value is not an array", path.c_str());
return false;
}
for (const auto &object : root)
{
if (!object.is_object())
{
LogWarnf("access", "skipping whitelist entry that is not an object in %s", path.c_str());
continue;
}
std::string rawXuid;
if (!AccessStorageUtils::TryGetStringField(object, "xuid", &rawXuid))
{
LogWarnf("access", "skipping whitelist entry without xuid in %s", path.c_str());
continue;
}
WhitelistedPlayerEntry entry;
entry.xuid = AccessStorageUtils::NormalizeXuid(rawXuid);
if (entry.xuid.empty())
{
LogWarnf("access", "skipping whitelist entry with empty xuid in %s", path.c_str());
continue;
}
AccessStorageUtils::TryGetStringField(object, "name", &entry.name);
AccessStorageUtils::TryGetStringField(object, "created", &entry.metadata.created);
AccessStorageUtils::TryGetStringField(object, "source", &entry.metadata.source);
NormalizeMetadata(&entry.metadata);
outEntries->push_back(entry);
}
return true;
}
bool WhitelistManager::SavePlayers(const std::vector<WhitelistedPlayerEntry> &entries) const
{
OrderedJson root = OrderedJson::array();
for (const auto &entry : entries)
{
OrderedJson object = OrderedJson::object();
object["xuid"] = AccessStorageUtils::NormalizeXuid(entry.xuid);
object["name"] = entry.name;
object["created"] = entry.metadata.created;
object["source"] = entry.metadata.source;
root.push_back(object);
}
const std::string path = GetWhitelistFilePath();
const std::string json = root.empty() ? std::string("[]\n") : (root.dump(2) + "\n");
if (!FileUtils::WriteTextFileAtomic(path, json))
{
LogErrorf("access", "failed to write %s", path.c_str());
return false;
}
return true;
}
const std::vector<WhitelistedPlayerEntry> &WhitelistManager::GetWhitelistedPlayers() const
{
return m_whitelistedPlayers;
}
bool WhitelistManager::SnapshotWhitelistedPlayers(std::vector<WhitelistedPlayerEntry> *outEntries) const
{
if (outEntries == nullptr)
{
return false;
}
*outEntries = m_whitelistedPlayers;
return true;
}
bool WhitelistManager::IsPlayerWhitelistedByXuid(const std::string &xuid) const
{
const auto normalized = AccessStorageUtils::NormalizeXuid(xuid);
if (normalized.empty())
{
return false;
}
return std::any_of(
m_whitelistedPlayers.begin(),
m_whitelistedPlayers.end(),
[&normalized](const WhitelistedPlayerEntry &entry)
{
return entry.xuid == normalized;
});
}
bool WhitelistManager::AddPlayer(const WhitelistedPlayerEntry &entry)
{
std::vector<WhitelistedPlayerEntry> updatedEntries;
if (!SnapshotWhitelistedPlayers(&updatedEntries))
{
return false;
}
auto normalized = entry;
normalized.xuid = AccessStorageUtils::NormalizeXuid(normalized.xuid);
NormalizeMetadata(&normalized.metadata);
if (normalized.xuid.empty())
{
return false;
}
const auto existing = std::find_if(
updatedEntries.begin(),
updatedEntries.end(),
[&normalized](const WhitelistedPlayerEntry &candidate)
{
return candidate.xuid == normalized.xuid;
});
if (existing != updatedEntries.end())
{
*existing = normalized;
if (!SavePlayers(updatedEntries))
{
return false;
}
m_whitelistedPlayers.swap(updatedEntries);
return true;
}
updatedEntries.push_back(normalized);
if (!SavePlayers(updatedEntries))
{
return false;
}
m_whitelistedPlayers.swap(updatedEntries);
return true;
}
bool WhitelistManager::RemovePlayerByXuid(const std::string &xuid)
{
const auto normalized = AccessStorageUtils::NormalizeXuid(xuid);
if (normalized.empty())
{
return false;
}
std::vector<WhitelistedPlayerEntry> updatedEntries;
if (!SnapshotWhitelistedPlayers(&updatedEntries))
{
return false;
}
const auto oldSize = updatedEntries.size();
updatedEntries.erase(
std::remove_if(
updatedEntries.begin(),
updatedEntries.end(),
[&normalized](const WhitelistedPlayerEntry &entry) { return entry.xuid == normalized; }),
updatedEntries.end());
if (updatedEntries.size() == oldSize)
{
return false;
}
if (!SavePlayers(updatedEntries))
{
return false;
}
m_whitelistedPlayers.swap(updatedEntries);
return true;
}
std::string WhitelistManager::GetWhitelistFilePath() const
{
return BuildPath(kWhitelistFileName);
}
WhitelistMetadata WhitelistManager::BuildDefaultMetadata(const char *source)
{
WhitelistMetadata metadata;
metadata.created = StringUtils::GetCurrentUtcTimestampIso8601();
metadata.source = (source != nullptr) ? source : "Server";
return metadata;
}
void WhitelistManager::NormalizeMetadata(WhitelistMetadata *metadata)
{
if (metadata == nullptr)
{
return;
}
metadata->created = StringUtils::TrimAscii(metadata->created);
metadata->source = StringUtils::TrimAscii(metadata->source);
}
std::string WhitelistManager::BuildPath(const char *fileName) const
{
return AccessStorageUtils::BuildPathFromBaseDirectory(m_baseDirectory, fileName);
}
}
}
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