upgrade core add header check and incrace upload speed

CMakeLists.txt

@@ -59,6 +59,7 @@ add_library(unswsc SHARED
 	SafeRNG.cpp					# 安全随机数生成器
 	HTTPObjects.cpp				# webcc对象包装兼容层
 	PathTraversal.cpp			# 路径穿越防御
+	TempFileManager.cpp			# 临时文件管理器
 )
 
 # target_link_libraries(unswsc PRIVATE stduuid)

CORSProcessor.cpp

@@ -82,13 +82,13 @@ uns::ResponsePtr CORSProcessor::Processor(uns::RequestPtr request)
 	std::string host = request->HasHeader("Host") ? request->GetHeader("Host") : "";
     if ((!host.empty()) && (!GlobalCORSConfig.HostValidate(host)))
 	{
-        SCLOG_WARNING("Rejected by Host check: %s", host.c_str());
+		SCLOGF_WARNING("Rejected by Host check: {}", host);
         return uns::ResponseBuilder().Forbidden().EmptyBody()();
     }
 
 	if(!GlobalCORSConfig.UrlValidate(origin))
 	{
-		SCLOG_WARNING("Invalid CORS Origin: %s", origin.c_str());
+		SCLOGF_WARNING("Invalid CORS Origin: {}", origin);
 		return uns::ResponseBuilder().Forbidden().EmptyBody()();
 	}
 
@@ -101,7 +101,7 @@ uns::ResponsePtr CORSProcessor::Processor(uns::RequestPtr request)
 	for(const auto& method : acrm_values)
 		if(!GlobalCORSConfig.IsMethodAllowed(method))
 		{
-			SCLOG_WARNING("Invalid CORS Method: %s (All Methods: %d)", method.c_str(), acrm.c_str());
+			SCLOGF_WARNING("Invalid CORS Method: {} (All Methods: {})", method, acrm);
 			return uns::ResponseBuilder().NotAcceptable().EmptyBody()();
 		}
 
@@ -120,7 +120,7 @@ uns::ResponsePtr CORSProcessor::Processor(uns::RequestPtr request)
 	auto valid_headers = GlobalCORSConfig.GetValidateHeaders(acrh_values);
 	if((!acrh_values.empty()) && valid_headers.empty())
 	{
-		SCLOG_WARNING("Invalid CORS Header(s): %s", acrh.c_str());
+		SCLOGF_WARNING("Invalid CORS Header(s): {}", acrh);
 		return uns::ResponseBuilder().NotAcceptable().EmptyBody()();
 	}
 
@@ -131,7 +131,7 @@ uns::ResponsePtr CORSProcessor::Processor(uns::RequestPtr request)
         return uns::ResponseBuilder().Forbidden().EmptyBody()();
     }
 	
-	SCLOG_INFO("CORS preflight allow origin=%s methods=%s headers=%s cred=%d", origin.c_str(), allow_methods_value.c_str(), valid_headers.c_str(), GlobalCORSConfig.AllowCookie() ? 1 : 0);
+	SCLOGF_INFO("CORS preflight allow origin={} methods={} headers={} cred={}", origin, allow_methods_value, valid_headers, GlobalCORSConfig.AllowCookie() ? 1 : 0);
 	return uns::ResponseBuilder().CORS_Full(origin, acrh_values).NoContent().EmptyBody()();
 }
 

DataTransfer.cpp

@@ -10,7 +10,7 @@ DataTransfer::DataTransfer(const std::string& tr)
 void DataTransfer::Init(const std::string& tr)
 {
 	temp_root = tr;
-	SCLOG_DEBUG("GDT-TempRoot: %s", temp_root.c_str());
+	SCLOGF_DEBUG("GDT-TempRoot: {}", temp_root);
 }
 
 bool DataTransfer::ItemExist(const std::string& file)
@@ -23,7 +23,7 @@ bool DataTransfer::InsertItem(const std::string& file)
 	if (ItemExist(file))
 		return false;
 	files.insert({ file, true });
-	SCLOG_INFO("GDT: Item [%s] Inserted", file.c_str());
+	SCLOGF_INFO("GDT: Item [{}] Inserted", file);
 	return true;
 }
 
@@ -32,7 +32,7 @@ bool DataTransfer::RemoveItem(const std::string& file)
 	if (!ItemExist(file))
 		return false;
 	files.erase(file);
-	SCLOG_INFO("GDT: Item [%s] Removed", file.c_str());
+	SCLOGF_INFO("GDT: Item [{}] Removed", file);
 	return true;
 }
 
@@ -48,7 +48,7 @@ void DataTransfer::DeactivateItem(const std::string& file)
 	if (!ItemExist(file))
 		return;
 	files[file] = false;
-	SCLOG_INFO("GDT: Item [%s] Deactivated", file.c_str());
+	SCLOGF_INFO("GDT: Item [{}] Deactivated", file);
 }
 
 bool DataTransfer::CopyItemTo(const std::string& file, const std::string& dest_path)
@@ -59,19 +59,19 @@ bool DataTransfer::CopyItemTo(const std::string& file, const std::string& dest_p
 	std::error_code error;
 	if(!fs::exists(dest_path))
 	{
-		SCLOG_ERROR("GDT: Can't Copy File (Target Path [%s] Not Exist)", dest_path.c_str());
+		SCLOGF_ERROR("GDT: Can't Copy File (Target Path [{}] Not Exist)", dest_path);
 		return false;
 	}
 	fs::path dest(dest_path);
 	fs::path dest_file = dest / file;
 	if(fs::copy_file(MakePath(file), dest_file, fs::copy_options::overwrite_existing, error))
 	{
-		SCLOG_INFO("GDT: File Copied To [%s]", dest_file.c_str());
+		SCLOGF_INFO("GDT: File Copied To [{}]", dest_file);
 		return true;
 	}
 	else
 	{
-		SCLOG_ERROR("Failed To Delete File [%s], Error: %s (%d)", dest_file.c_str(), error.message().c_str(), error.value());
+		SCLOGF_ERROR("Failed To Delete File [{}], Error: {} ({})", dest_file, error.message(), error.value());
 		return false;
 	}
 }
@@ -85,12 +85,12 @@ bool DataTransfer::CopyItemAS(const std::string& file, const std::string& dest)
 	fs::path dest_file = dest;
 	if(fs::copy_file(MakePath(file), dest_file, fs::copy_options::overwrite_existing, error))
 	{
-		SCLOG_INFO("GDT: File Copied To [%s]", dest_file.c_str());
+		SCLOGF_INFO("GDT: File Copied To [{}]", dest_file);
 		return true;
 	}
 	else
 	{
-		SCLOG_ERROR("Failed To Delete File [%s], Error: %s (%d)", dest_file.c_str(), error.message().c_str(), error.value());
+		SCLOGF_ERROR("Failed To Delete File [{}], Error: {} ({})", dest_file, error.message(), error.value());
 		return false;
 	}
 }
@@ -111,14 +111,14 @@ bool DataTransfer::RemoveAllCacheFiles()
 		std::string filepath = MakePath(file);
 		if (!fs::exists(filepath, error))
 		{
-			SCLOG_WARNING("File [%s] Not Exist, Skip", filepath.c_str());
+			SCLOGF_WARNING("File [{}] Not Exist, Skip", filepath);
 			continue;
 		}
 		if (fs::remove(filepath, error))
-			SCLOG_INFO("File [%s] Deleted", filepath.c_str());
+			SCLOGF_INFO("File [{}] Deleted", filepath);
 		else
 		{
-			SCLOG_ERROR("Failed To Delete File [%s], Error: %s (%d)", filepath.c_str(), error.message().c_str(), error.value());
+			SCLOGF_ERROR("Failed To Delete File [{}], Error: {} ({})", filepath, error.message(), error.value());
 			result = false;
 		}
 	}
@@ -137,14 +137,14 @@ fs_scan:
 				if (fs::remove_all(entry.path(), error))
 				{
 					dirs_deleted++;
-					SCLOG_WARNING("Found Directory [%s] In Cache Directory, Deleted", entry.path().string().c_str());
+					SCLOGF_WARNING("Found Directory [{}] In Cache Directory, Deleted", entry.path().string());
 				}
 				else
-					SCLOG_ERROR("Found Directory [%s] In Cache Directory, Failed To Delete. Error: %s (%d)", entry.path().string().c_str(), error.message().c_str(), error.value());
+					SCLOGF_ERROR("Found Directory [{}] In Cache Directory, Failed To Delete. Error: {} ({})", entry.path().string(), error.message(), error.value());
 			}
 			catch (const std::exception& e)
 			{
-				SCLOG_ERROR("Found Directory [%s] In Cache Directory, Failed To Delete. Exception: %s", entry.path().string().c_str(), e.what());
+				SCLOGF_ERROR("Found Directory [{}] In Cache Directory, Failed To Delete. Exception: {}", entry.path().string(), e.what());
 			}
 		}
 		else if (entry.is_regular_file())
@@ -153,16 +153,16 @@ fs_scan:
 			if (fs::remove(entry.path(), error))
 			{
 				files_deleted++;
-				SCLOG_INFO("File [%s] Deleted", entry.path().string().c_str());
+				SCLOGF_INFO("File [{}] Deleted", entry.path().string());
 			}
 			else
 			{
-				SCLOG_ERROR("Failed To Delete File [%s], Error: %s (%d)", entry.path().string().c_str(), error.message().c_str(), error.value());
+				SCLOGF_ERROR("Failed To Delete File [{}], Error: {} ({})", entry.path().string(), error.message(), error.value());
 				result = false;
 			}
 		}
 	}
-	SCLOG_INFO("Filesystem Scan Finished, %d/%d Dir(s) And %d/%d Files(s) Deleted", dirs_deleted, dirs, files_deleted, files);
+	SCLOGF_INFO("Filesystem Scan Finished, {}/{} Dir(s) And {}/{} Files(s) Deleted", dirs_deleted, dirs, files_deleted, files);
 	SCLOG_INFO("Cache Clear Finished");
 	return result;
 }

FileReceiver.cpp

@@ -13,8 +13,10 @@ public:
 	bool HTMLResponse = false;
 	std::string TempRoot;
 	IPTablePtr BlockedIPs = nullptr;
-	WebFileInfoVec FileInfo;
+	TempFileManager FileManager;
 	FileProcessorCallback Callback = nullptr;
+	std::jthread FileProcesser;
+	std::chrono::seconds FileTimeout = 300s, FileMaxProcTimeout = 600s;
 };
 
 FileReceiver::FileReceiver() : pimpl(std::make_unique<Impl>())
@@ -27,11 +29,11 @@ bool FileReceiver::CallFileProcesser()
 {
 	if (pimpl->Callback == nullptr)
 		return false;
-	std::thread thFileProcesser(pimpl->Callback, pimpl->FileInfo, pimpl->TempRoot);    //Use copy construst to avoid repeat data process.
+	pimpl->FileProcesser = std::jthread(pimpl->Callback, std::ref(pimpl->FileManager), pimpl->TempRoot);
-	if (!thFileProcesser.joinable())
+	if (!pimpl->FileProcesser.joinable())
 		return false;
-	thFileProcesser.detach();
+	pimpl->FileProcesser.detach();
-	pimpl->FileInfo.clear();
+	//pimpl->FileInfo.clear();
 	SCLOGF_TRACE("FileProcesser Function (Address: {}) Started.", pimpl->Callback);
 	return true;
 }
@@ -39,19 +41,19 @@ bool FileReceiver::CallFileProcesser()
 void FileReceiver::SetResponseMode(bool html)
 {
 	pimpl->HTMLResponse = html;
-	SCLOG_DEBUG("FileReceiver init mode: %s", (html ? "html" : "json"));
+	SCLOGF_DEBUG("FileReceiver init mode: {}", (html ? "html" : "json"));
 }
 
 void FileReceiver::SetCORSEnable(bool enable)
 {
 	pimpl->EnableCORS = enable;
-	SCLOG_DEBUG("FileReceiver CORS mode: %s", (enable ? "enabled" : "disabled"));
+	SCLOGF_DEBUG("FileReceiver CORS mode: {}", (enable ? "enabled" : "disabled"));
 }
 
 void FileReceiver::SetTempRoot(std::string temp_root)
 {
 	pimpl->TempRoot = temp_root;
-	SCLOG_TRACE("FR-TempRoot: %s", pimpl->TempRoot.c_str());
+	SCLOGF_TRACE("FR-TempRoot: {}", pimpl->TempRoot);
 	return;
 }
 
@@ -73,7 +75,7 @@ void FileReceiver::AppenedBlockedIP(DateTime::Span block_time, std::string ip)
 	IPList li{ ip };
 	pimpl->BlockedIPs->Appened(expr_time, li);
 	pimpl->BlockedIPs->Update();
-	SCLOG_INFO("IP: [%s] has been blocked untill {%s}", ip.c_str(), std::string(expr_time).c_str());
+	SCLOGF_INFO("IP: [{}] has been blocked untill {{{}}}", ip, std::string(expr_time));
 	return;
 }
 
@@ -108,13 +110,24 @@ bool FileReceiver::WriteFile(const std::string& path, const std::string& bytes)
 	std::ofstream stream{ path, std::ios::binary };
 	if (stream.fail())
 	{
-		SCLOG_WARNING("Failed to write file [%s]: can't open stream", path.c_str());
+		SCLOGF_WARNING("Failed to write file [{}]: can't open stream", path);
 		return false;
 	}
 	stream.write(bytes.data(), bytes.size());
-	if (stream.fail())
+	bool fail = stream.fail();
-		SCLOG_WARNING("Failed to write file [%s]: can't write to stream", path.c_str());
+	if (fail)
-	return !stream.fail();
+		SCLOGF_WARNING("Failed to write file [{}]: can't write to stream", path);
+	else
+		SCLOGF_TRACE("Wrote {siz-b} to file [{}]", bytes.size(), path);
+	return !fail;
+}
+
+void FileReceiver::SetFileTimeout(std::chrono::seconds timeout, std::chrono::seconds max_proc_timeout) noexcept
+{
+	if (timeout.count() > 0)
+		pimpl->FileTimeout = timeout;
+	if (max_proc_timeout.count() > 0)
+		pimpl->FileMaxProcTimeout = max_proc_timeout;
 }
 
 uns::PathTraversalDefenceLevel FileReceiver::PTDefence()
@@ -128,13 +141,23 @@ bool FileReceiver::IsPathSafe(const std::string& raw_path)
 	return false;
 }
 
+bool FileReceiver::IsHeaderValid(uns::RequestPtr request)
+{
+	return true;
+}
+
 std::string FileReceiver::EncodeUploadResult()
 {
+	try
+	{
 		Json::Value root;
 		Json::FastWriter writer;
-	root["AcceptedCount"] = pimpl->FileInfo.size();
+		// 1. 从管理器安全获取当前所有文件的快照
+		auto file_infos = pimpl->FileManager.GetAllFileInfos();
+		// 2. 组装 JSON 数据
+		root["AcceptedCount"] = static_cast<Json::Value::UInt64>(file_infos.size());
 		root["AcceptedFiles"] = Json::Value(Json::arrayValue);
-	for (auto& ele : pimpl->FileInfo)
+		for (const auto& ele : file_infos)
 		{
 			Json::Value sub;
 			sub["FileName"] = ele.GetStorageFileName();
@@ -142,6 +165,12 @@ std::string FileReceiver::EncodeUploadResult()
 			root["AcceptedFiles"].append(sub);
 		}
 		return writer.write(root);
+	}
+	catch (...)
+	{
+		// 极致异常安全兜底：如果 Json 报错或内存写满，返回一个合法的空 JSON 字符串
+		return "{\"AcceptedCount\":0,\"AcceptedFiles\":[]}";
+	}
 }
 
 std::string FileReceiver::EncodeUploadResultHTML()
@@ -162,16 +191,32 @@ std::string FileReceiver::EncodeUploadResultHTML()
 	</body>
 </html>
 )";
+	try
+	{
+		// 1. 获取文件快照
+		auto file_infos = pimpl->FileManager.GetAllFileInfos();
+		// 2. 拼接文件列表 HTML
 		std::string tmp;
-	for (auto& ele : pimpl->FileInfo)
+		for (const auto& ele : file_infos)
 			tmp += "[" + ele.GetStorageFileName() + "] - {" + ele.GetUploadTime().Format("%Y-%m-%d %H:%M:%S") + "}<br>";
-	size_t html_size = strlen(html) + tmp.size() + 10;
+		// 3. 动态安全计算所需缓冲区大小（32字节用于容纳 %lld 的数字展开）
-	char* result = new char[html_size];
+		size_t html_size = strlen(html) + tmp.size() + 32;
-	memset(result, 0, sizeof(result));
+		// 利用 std::string 管理缓冲区内存（RAII 机制，无论发生什么都会自动释放，绝不泄漏）
-	sprintf(result, html, pimpl->FileInfo.size(), tmp.c_str());
+		std::string result_str(html_size, '\0');
-	tmp = std::string(result);
+		// 使用安全的 snprintf 写入 string 内部缓冲区
-	delete[] result;
+		int written = snprintf(result_str.data(), result_str.size(), html, static_cast<long long>(file_infos.size()), tmp.c_str());
-	return tmp;
+		if (written > 0)
+		{
+			result_str.resize(written); // 裁剪掉尾部多余的 \0
+			return result_str;
+		}
+		return "HTML generation failed";
+	}
+	catch (...)
+	{
+		// 异常安全兜底
+		return "<html><body><center><h1>Upload Result Error</h1></center></body></html>";
+	}
 }
 
 uns::ResponsePtr FileReceiver::Execute(uns::RequestPtr request)
@@ -181,7 +226,7 @@ uns::ResponsePtr FileReceiver::Execute(uns::RequestPtr request)
 	if(request->GetImpl()->webcc_req->HasHeader("X-Real-IP"))
 		x_real_ip = request->GetImpl()->webcc_req->GetHeader("X-Real-IP");
 	std::string req_ip = (x_real_ip.empty() ? request->GetImpl()->webcc_req->address() : x_real_ip);
-	SCLOG_DEBUG("Request recived, ip: [%s], method: %s", req_ip.c_str(), request->GetImpl()->webcc_req->method().c_str());
+	SCLOGF_DEBUG("Request recived, ip: [{}], method: {}", req_ip, request->GetImpl()->webcc_req->method());
 	// path test
 	std::string path = request->GetImpl()->webcc_req->url().path();
 	auto status = PathTraversal::AnalyzeUrlTraversal(path);
@@ -245,7 +290,9 @@ uns::ResponsePtr FileReceiver::Execute(uns::RequestPtr request)
 				SCLOGF_DEBUG("File recived: [{}], {} bytes", form->GetFileName(), form->GetDataSize());
 				WebFileInfo info(form->GetFileNameS(), form->GetDataSize());
 				WriteFile(info.MakePath(pimpl->TempRoot), form->GetData());
-				pimpl->FileInfo.push_back(info);
+				//pimpl->FileInfo.push_back(info);
+				if (!pimpl->FileManager.RegisterFile(info, pimpl->FileTimeout, pimpl->FileMaxProcTimeout))
+					SCLOGF_WARNING("FileManager.RegisterFile Error, File: {}, TempRoot: {}", form->GetFileName(), pimpl->TempRoot);
 			}
 			std::string resp_body = (pimpl->HTMLResponse ? EncodeUploadResultHTML() : EncodeUploadResult());
 			CallFileProcesser();

FileReceiver.h

@@ -2,10 +2,10 @@
 #include "Global.h"
 #include "IPTable.h"
 #include <functional>
-#include "WebFileInfo.h"
 #include "HTTPObjects.h"
+#include "TempFileManager.h"
 
-using FileProcessorCallback = std::function<void(WebFileInfoVec, const std::string&)>;
+using FileProcessorCallback = std::function<void(TempFileManager&, const std::string&)>;
 
 class UNSWSC_DLL_EXPORT FileReceiver
 {
@@ -29,12 +29,19 @@ public:
 	uns::HTTPMethod GetMethod(uns::RequestPtr request);
 	void AppenedBlockedIP(DateTime::Span block_time, std::string ip);
 	bool WriteFile(const std::string& path, const std::string& bytes);
+	void SetFileTimeout(std::chrono::seconds timeout = 0s, std::chrono::seconds max_proc_timeout = 0s) noexcept;
 
 public:
+	// 请求信息预检，重载以在保存文件之前检查请求体
 	virtual uns::Status PreCheckRequest(uns::RequestPtr request) = 0;
+	// 表单预检，重载以在处理表单前检查表单
 	virtual bool PreCheckForm(uns::FormPartPtr form) = 0;
+	// 路径穿越配置，重载以配置允许的路径穿越类型
 	virtual uns::PathTraversalDefenceLevel PTDefence();
+	// 路径穿越防护，重载以实现路径穿越检查，配置为AutoNormalize或AllowNormal时必须，否则自动退化为DenyAll
 	virtual bool IsPathSafe(const std::string& raw_path);
+	// 请求头预检，重载以实现在接收请求体之前检查请求头，返回false则服务器将强制关闭连接
+	virtual bool IsHeaderValid(uns::RequestPtr request);
 	
 public:
 	// 核心驱动入口：供内部适配器调用的实际执行流

Global.cpp

@@ -167,7 +167,7 @@ std::string uns::tools::ToLower(const std::string& s)
 	return r;
 }
 
-std::string uns::tools::CalculateFileHashSHA256(const std::string & file)
+std::string uns::tools::CalculateFileHashSHA256(const std::string& file)
 {
 	// 1. 以二进制模式打开文件
 	std::ifstream ifs(file, std::ios::binary);
@@ -205,7 +205,100 @@ std::string uns::tools::CalculateFileHashSHA256(const std::string & file)
 	return hex_result;
 }
 
-bool uns::secure::IsSafePath(const std::string & safe_path, const std::string & requested_path)
+Json::Value uns::tools::SafeJsonDecode(const std::string& str)
+{
+	try
+	{
+		Json::Value root;
+		Json::Reader reader;
+		if (!reader.parse(str, root, false))
+			return Json::nullValue;
+		else
+			return root;
+	}
+	catch (...)
+	{
+		return Json::nullValue;
+	}
+}
+
+namespace
+{
+	template <typename> inline constexpr bool always_false_v = false;
+
+	template <typename T, typename CharT>
+	T do_sto(const std::basic_string<CharT>& str, std::size_t* pos, int base)
+	{
+		if constexpr (std::is_same_v<T, int>)
+			return std::stoi(str, pos, base);
+		else if constexpr (std::is_same_v<T, long>)
+			return std::stol(str, pos, base);
+		else if constexpr (std::is_same_v<T, long long>)
+			return std::stoll(str, pos, base);
+		else if constexpr (std::is_same_v<T, unsigned long>)
+			return std::stoul(str, pos, base);
+		else if constexpr (std::is_same_v<T, unsigned long long>)
+			return std::stoull(str, pos, base);
+		else if constexpr (std::is_same_v<T, float>)
+			return std::stof(str, pos);
+		else if constexpr (std::is_same_v<T, double>)
+			return std::stod(str, pos);
+		else if constexpr (std::is_same_v<T, long double>)
+			return std::stold(str, pos);
+		else
+			static_assert(always_false_v<T>, "不支持的转换类型！");
+	}
+}
+
+template <typename T, typename CharT>
+std::optional<T> uns::tools::SafeStoX(const std::basic_string<CharT>& str, std::size_t* pos, int base)
+{
+	try
+	{
+		return do_sto<T>(str, pos, base);
+	}
+	catch (...)
+	{
+		return std::nullopt;
+	}
+}
+
+template <typename T, typename CharT>
+std::optional<T> uns::tools::SafeStoX(std::basic_string_view<CharT> str, std::size_t* pos, int base)
+{
+	return SafeStoX<T>(std::basic_string<CharT>(str), pos, base);
+}
+
+bool uns::secure::IsSafePath(const std::string& safe_path, const std::string& requested_path)
 {
 	return PathTraversal::IsSafePath(safe_path, requested_path);
 }
+
+namespace uns
+{
+	namespace tools
+	{
+		// -------------------------------------------------------------
+		// 显式模板实例化（注意：必须放在命名空间内部！）
+		// -------------------------------------------------------------
+#define INSTANTIATE_SAFE_STO(T, CharT) \
+    template std::optional<T> UNSWSC_DLL_EXPORT SafeStoX<T, CharT>(const std::basic_string<CharT>&, std::size_t*, int); \
+    template std::optional<T> UNSWSC_DLL_EXPORT SafeStoX<T, CharT>(std::basic_string_view<CharT>, std::size_t*, int);
+
+#define INSTANTIATE_ALL_NUMERIC_TYPES(CharT) \
+    INSTANTIATE_SAFE_STO(int, CharT) \
+    INSTANTIATE_SAFE_STO(long, CharT) \
+    INSTANTIATE_SAFE_STO(long long, CharT) \
+    INSTANTIATE_SAFE_STO(unsigned long, CharT) \
+    INSTANTIATE_SAFE_STO(unsigned long long, CharT) \
+    INSTANTIATE_SAFE_STO(float, CharT) \
+    INSTANTIATE_SAFE_STO(double, CharT) \
+    INSTANTIATE_SAFE_STO(long double, CharT)
+
+		INSTANTIATE_ALL_NUMERIC_TYPES(char)
+		INSTANTIATE_ALL_NUMERIC_TYPES(wchar_t)
+
+#undef INSTANTIATE_ALL_NUMERIC_TYPES
+#undef INSTANTIATE_SAFE_STO
+	}
+}

Global.h

@@ -2,6 +2,7 @@
 #include <map>
 #include <string>
 #include <vector>
+#include <optional>
 #include "Export.h"
 #include "DateTime.h"
 
@@ -35,6 +36,11 @@ constexpr auto G_ERROR_PAGE = R"(
 
 // inline constexpr std::string_view G_HTTP_STD_WEEK[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
 
+namespace Json
+{
+	class Value;
+}
+
 namespace uns
 {
 	enum HTTPMethod
@@ -65,6 +71,8 @@ namespace uns
 		inline constexpr std::string_view resh_acma = "Access-Control-Max-Age";
 	};
 
+	inline constexpr auto url_all = R"(/[\s\S]*)";
+
 	using POSTArgs = std::map<std::string, std::string>;
 
 	std::string UNSWSC_DLL_EXPORT EncodeErrorPage(int code);
@@ -93,6 +101,23 @@ namespace uns
 		std::string UNSWSC_DLL_EXPORT ToLower(const std::string& s);
 
 		std::string UNSWSC_DLL_EXPORT CalculateFileHashSHA256(const std::string& file);
+
+		Json::Value UNSWSC_DLL_EXPORT SafeJsonDecode(const std::string& str);
+
+		template <typename T, typename CharT = char>
+		std::optional<T> UNSWSC_DLL_EXPORT SafeStoX(const std::basic_string<CharT>& str, std::size_t* pos = nullptr, int base = 10);
+		template <typename T, typename CharT = char>
+		std::optional<T> UNSWSC_DLL_EXPORT SafeStoX(std::basic_string_view<CharT> str, std::size_t* pos = nullptr, int base = 10);
+		template <typename T, typename CharT>
+		inline std::optional<T> SafeStoX(const CharT* str, std::size_t* pos = nullptr, int base = 10)
+		{
+#if defined(__cpp_char8_t)
+			if constexpr (std::is_same_v<CharT, char8_t>)
+				return SafeStoX<T>(std::basic_string<char>(reinterpret_cast<const char*>(str)), pos, base);	// 只有 u8"..." (char8_t) 强制转为 char 版本的 SafeStoX 处理
+			else
+#endif
+				return SafeStoX<T>(std::basic_string<CharT>(str), pos, base);	// 普通 "..." (char) 和 L"..." (wchar_t) 保持各自类型，构造对应的 basic_string
+		}
 	}
 
 	namespace secure

LogArg.h

@@ -6,6 +6,7 @@
 #include <variant>
 #include "Export.h"
 #include <functional>
+#include <filesystem>
 #include <string_view>
 #include <type_traits>
 
@@ -217,6 +218,8 @@ namespace uns
 			else if constexpr (std::is_pointer_v<D>)
 				value = static_cast<const void*>(val);
 			// 7. 标准库容器（关键点：利用 Lambda 闭包在不引入 fmt 的情况下擦除容器类型！）
+			else if constexpr (std::is_same<D, std::filesystem::path>::value)
+				value = ConvertWStringToUtf8(val.generic_wstring());
 			else if constexpr (is_container<D>::value)
 			{
 				value = RangeCapturer{ &val, [] (const void* p, std::vector<LogArg>& out)

ProcessorAdapter.h

@@ -33,7 +33,7 @@ namespace uns
 		}
 
 		// 完美的把 webcc 的驱动流，翻译给用户的纯净业务类
-		webcc::ResponsePtr Handle(webcc::RequestPtr request) final 
+		webcc::ResponsePtr Handle(webcc::RequestPtr request) override final 
 		{
 			try
 			{
@@ -53,7 +53,7 @@ namespace uns
 			return uns::ResponseBuilder().InternalServerError()()->GetImpl()->webcc_res;	//Default 500
 		}
 
-		bool Stream(const std::string& method) final 
+		bool Stream(const std::string& method) override final
 		{
 			try
 			{
@@ -70,7 +70,25 @@ namespace uns
 			return false;	//Default false
 		}
 
-		void ApplyIpUpdate(IPTablePtr blocked_ips) override
+		bool ValidateHeader(webcc::RequestPtr request) override final
+		{
+			try
+			{
+				auto uns_req = uns::RequestPtr(new uns::Request(std::make_unique<uns::Request::Impl>(request)));
+				return user_processor->IsHeaderValid(uns_req);
+			}
+			catch (const std::exception& e)
+			{
+				SCLOGF_ERROR("Unhandled Exception in ServerProcessorAdapter(ValidateHeader): {}", e.what());
+			}
+			catch (...)
+			{
+				SCLOGF_FATAL("Unhandled Unknown Exception in ServerProcessorAdapter(ValidateHeader)");
+			}
+			return true;	//Default true
+		}
+
+		void ApplyIpUpdate(IPTablePtr blocked_ips) override final
 		{
 			try
 			{
@@ -98,7 +116,7 @@ namespace uns
 		}
 
 		// 完美的把 webcc 的驱动流，翻译给用户的纯净业务类
-		webcc::ResponsePtr Handle(webcc::RequestPtr request) final 
+		webcc::ResponsePtr Handle(webcc::RequestPtr request) override final
 		{
 			try
 			{
@@ -118,13 +136,31 @@ namespace uns
 			return uns::ResponseBuilder().InternalServerError()()->GetImpl()->webcc_res;	//Default 500
 		}
 
-		bool Stream(const std::string& method) final 
+		bool Stream(const std::string& method) override final
 		{
 			// 所有数据都不能由webcc进行串流，否则将无法从request中获取文件
 			return false; 
 		}
 
-		void ApplyIpUpdate(IPTablePtr blocked_ips) override
+		bool ValidateHeader(webcc::RequestPtr request) override final
+		{
+			try
+			{
+				auto uns_req = uns::RequestPtr(new uns::Request(std::make_unique<uns::Request::Impl>(request)));
+				return user_reciver->IsHeaderValid(uns_req);
+			}
+			catch (const std::exception& e)
+			{
+				SCLOGF_ERROR("Unhandled Exception in FileReceiverAdapter(ValidateHeader): {}", e.what());
+			}
+			catch (...)
+			{
+				SCLOGF_FATAL("Unhandled Unknown Exception in FileReceiverAdapter(ValidateHeader)");
+			}
+			return true;	//Default true
+		}
+
+		void ApplyIpUpdate(IPTablePtr blocked_ips) override final
 		{
 			try
 			{
@@ -152,7 +188,7 @@ namespace uns
 		}
 
 		// 完美的把 webcc 的驱动流，翻译给用户的纯净业务类
-		webcc::ResponsePtr Handle(webcc::RequestPtr request) final 
+		webcc::ResponsePtr Handle(webcc::RequestPtr request) override final
 		{
 			try
 			{
@@ -172,13 +208,31 @@ namespace uns
 			return uns::ResponseBuilder().InternalServerError()()->GetImpl()->webcc_res;	//Default 500
 		}
 
-		bool Stream(const std::string& method) final 
+		bool Stream(const std::string& method) override final
 		{
 			// 所有数据都不能由webcc进行串流，否则将无法从request中获取文件
 			return false; 
 		}
 
-		void ApplyIpUpdate(IPTablePtr blocked_ips) override
+		bool ValidateHeader(webcc::RequestPtr request) override final
+		{
+			try
+			{
+				auto uns_req = uns::RequestPtr(new uns::Request(std::make_unique<uns::Request::Impl>(request)));
+				return user_reciver->IsHeaderValid(uns_req);
+			}
+			catch (const std::exception& e)
+			{
+				SCLOGF_ERROR("Unhandled Exception in SyncFileReceiverAdapter(ValidateHeader): {}", e.what());
+			}
+			catch (...)
+			{
+				SCLOGF_FATAL("Unhandled Unknown Exception in SyncFileReceiverAdapter(ValidateHeader)");
+			}
+			return true;	//Default true
+		}
+
+		void ApplyIpUpdate(IPTablePtr blocked_ips) override final
 		{
 			try
 			{

ServerCore.cpp

@@ -41,7 +41,7 @@ public:
 	{
 		if (server == nullptr)
 			return;
-		server->set_buffer_size(10240);
+		server->set_buffer_size(65535);
 		SCLOGF_INFO("ServerCore thread ready: {} Worker(s), {} Loop(s)", worker_thread, loop_thread);
 		server->Run(worker_thread, loop_thread);
 		return;
@@ -142,9 +142,9 @@ bool ServerCore::AppenedProcessor(std::string url, ServerProcessorPtr ptr, std::
 	auto adapter = std::make_shared<uns::ServerProcessorAdapter>(ptr);
 	bool bret = pimpl->ccServer->Route(webcc::UrlRegex(url), adapter, Impl::ConvertMethods(methods));
 	if (bret)
-		SCLOG_INFO("ServerProcessor added. URL: [%s], Method code: <%s>", url.c_str(), uns::toBinary(methods, 10).c_str());
+		SCLOGF_INFO("ServerProcessor added. URL: [{}], Method code: <{}>", url, uns::toBinary(methods, 10));
 	else
-		SCLOG_ERROR("ServerProcessor add faliure. URL: [%s], Method code: <%s>", url.c_str(), uns::toBinary(methods, 10).c_str());
+		SCLOGF_ERROR("ServerProcessor add faliure. URL: [{}], Method code: <{}>", url, uns::toBinary(methods, 10));
 	return bret;
 }
 
@@ -156,9 +156,9 @@ bool ServerCore::AppenedFileReceiver(std::string url, FileReceiverPtr ptr, std::
 	auto adapter = std::make_shared<uns::FileReceiverAdapter>(ptr);
 	bool bret = pimpl->ccServer->Route(webcc::UrlRegex(url), adapter, Impl::ConvertMethods(methods));
 	if (bret)
-		SCLOG_INFO("FileReceiver added. URL: [%s], Method code: <%s>", url.c_str(), uns::toBinary(methods, 10).c_str());
+		SCLOGF_INFO("FileReceiver added. URL: [{}], Method code: <{}>", url, uns::toBinary(methods, 10));
 	else
-		SCLOG_ERROR("FileReceiver add faliure. URL: [%s], Method code: <%s>", url.c_str(), uns::toBinary(methods, 10).c_str());
+		SCLOGF_ERROR("FileReceiver add faliure. URL: [{}], Method code: <{}>", url, uns::toBinary(methods, 10));
 	return bret;
 }
 
@@ -169,9 +169,9 @@ bool ServerCore::AppenedFileReceiver(std::string url, SyncFileReceiverPtr ptr, s
 	auto adapter = std::make_shared<uns::SyncFileReceiverAdapter>(ptr);
 	bool bret = pimpl->ccServer->Route(webcc::UrlRegex(url), adapter, Impl::ConvertMethods(methods));
 	if (bret)
-		SCLOG_INFO("SyncFileReceiver added. URL: [%s], Method code: <%s>", url.c_str(), uns::toBinary(methods, 10).c_str());
+		SCLOGF_INFO("SyncFileReceiver added. URL: [{}], Method code: <{}>", url, uns::toBinary(methods, 10));
 	else
-		SCLOG_ERROR("SyncFileReceiver add faliure. URL: [%s], Method code: <%s>", url.c_str(), uns::toBinary(methods, 10).c_str());
+		SCLOGF_ERROR("SyncFileReceiver add faliure. URL: [{}], Method code: <{}>", url, uns::toBinary(methods, 10));
 	return bret;
 }
 

ServerCore.h

@@ -1,4 +1,4 @@
-/*
+/*
 *	Unknown Network Service Web Server Core
 *	Version 1.2.2
 * 

ServerLogger.cpp

@@ -5,6 +5,7 @@
 #include <fmt/args.h>
 #include <sstream>
 #include <iomanip>
+#include <array>
 
 // 格式化用的辅助函数
 
@@ -168,6 +169,144 @@ std::string uns::toBinary(unsigned long number, int bits)
 	return "0b" + res;
 }
 
+bool StartsWith(std::string_view str, std::string_view prefix)
+{
+	if (str.size() < prefix.size())
+		return false;
+	return str.compare(0, prefix.size(), prefix) == 0;
+}
+
+bool IsSizeUnit(std::string_view str)
+{
+	if (str == "bit")
+		return true;
+	if (str.empty())
+		return false;
+	char last = str.back();
+	return last == 'b' || last == 'B';
+}
+
+bool IsNonNegativeInteger(std::string_view str, int& value)
+{
+	if (str.empty())
+		return false;
+	int result = 0;
+	auto [ptr, ec] = std::from_chars(str.data(), str.data() + str.size(), result);
+	if (ec != std::errc() || ptr != str.data() + str.size())
+		return false;
+	if (result < 0)
+		return false;
+	value = result;
+	return true;
+}
+
+std::pair<std::string, int> ParseSizeFormat(std::string_view input)
+{
+	constexpr std::pair<std::string_view, int> default_value = { "B", 2 };
+	if (!StartsWith(input, "siz"))
+		return { std::string(default_value.first), default_value.second };
+
+	std::string_view body = input.substr(3);
+	if (body.empty() || body.front() != '-')
+		return { std::string(default_value.first), default_value.second };
+
+	body.remove_prefix(1);
+	size_t first_dash = body.find('-');
+	if (first_dash == std::string_view::npos)
+	{
+		// siz-xx 或 siz-x
+		if (IsSizeUnit(body))
+			return { std::string(body), 2 };
+		int precision = 0;
+		if (IsNonNegativeInteger(body, precision))
+			return { "B", precision };
+		return { std::string(default_value.first), default_value.second };
+	}
+
+	// siz-xx-y
+	std::string_view unit = body.substr(0, first_dash);
+	std::string_view precision_str = body.substr(first_dash + 1);
+	if (!IsSizeUnit(unit))
+		return { std::string(default_value.first), default_value.second };
+	int precision = 0;
+	if (!IsNonNegativeInteger(precision_str, precision))
+		return { std::string(default_value.first), default_value.second };
+	return { std::string(unit), precision };
+}
+
+std::string FormatFileSize(size_t size, const std::string& unit, int precision)
+{
+	static constexpr double K = 1024.0;
+	static constexpr std::array<const char*, 9> units =
+	{
+		"B",
+		"KB",
+		"MB",
+		"GB",
+		"TB",
+		"PB",
+		"EB",
+		"ZB",
+		"YB"
+	};
+
+	static constexpr std::array<const char*, 9> iec_units =
+	{
+		"B",
+		"KIB",
+		"MIB",
+		"GIB",
+		"TIB",
+		"PIB",
+		"EIB",
+		"ZIB",
+		"YIB"
+	};
+
+	std::string input_unit = unit;
+	std::transform(input_unit.begin(), input_unit.end(), input_unit.begin(), [] (unsigned char c)
+	{
+		return static_cast<char>(std::toupper(c));
+	});
+
+	double bytes = static_cast<double>(size);
+	if ((input_unit == "BIT") || (input_unit == "BITS"))
+		bytes /= 8.0;
+	else
+	{
+		size_t unit_index = 0;
+		bool found = false;
+		for (size_t i = 0; i < units.size(); ++i)
+		{
+			if ((input_unit == units[i]) || (input_unit == iec_units[i]))
+			{
+				unit_index = i;
+				found = true;
+				break;
+			}
+		}
+		if (!found)
+			return std::format("{} {}", size, input_unit);
+		for (size_t i = 0; i < unit_index; ++i)
+			bytes *= K;
+	}
+
+	size_t output_index = 0;
+	while ((bytes >= K) && (output_index < (units.size() - 1)))
+	{
+		bytes /= K;
+		++output_index;
+	}
+	if (precision < 0)
+		precision = 0;
+
+	if (std::fabs(bytes - std::round(bytes)) < std::numeric_limits<double>::epsilon())
+		return fmt::format("{} {}", static_cast<size_t>(std::round(bytes)), units[output_index]);
+
+	std::string value = fmt::format("{:.{}f}", bytes, precision);
+	return fmt::format("{} {}", value, units[output_index]);
+}
+
 std::string ServerLogger::GenerateLogHeader(uns::ServerLogLevel LogLevel)
 {
 	std::string hstr;
@@ -411,6 +550,18 @@ void ServerLogger::RotateIfNeeded(std::time_t now, bool check_size_after_write)
 	}
 }
 
+size_t GetUnsignedInteger(const uns::LogVariant& value)
+{
+	return std::visit([] (const auto& v) -> size_t
+	{
+		using T = std::decay_t<decltype(v)>;
+		if constexpr (std::is_integral_v<T> && !std::is_same_v<T, char> && !std::is_same_v<T, bool>)
+			return static_cast<size_t>(v);
+		else
+			return 0;
+	}, value);
+}
+
 inline std::string RewriteFormatString(const std::string& real_format, const uns::LogArg* args, size_t count, fmt::dynamic_format_arg_store<fmt::format_context>& store)
 {
 	std::string out;
@@ -463,6 +614,11 @@ inline std::string RewriteFormatString(const std::string& real_format, const uns
 					else
 						store.push_back(args[arg_index]);
 				}
+				else if (StartsWith(inside, "siz"))
+				{
+					auto [u, p] = ParseSizeFormat(inside);
+					store.push_back(FormatFileSize(GetUnsignedInteger(arg.value), u, p));
+				}
 				else
 					store.push_back(args[arg_index]);
 			}

ServerProcessor.cpp

@@ -91,7 +91,7 @@ void ServerProcessor::AppenedBlockedIP(DateTime::Span block_time, std::string ip
 	IPList li{ ip };
 	pimpl->BlockedIPs->Appened(expr_time, li);
 	pimpl->BlockedIPs->Update();
-	SCLOG_INFO("IP: [%s] has been blocked untill {%s}", ip.c_str(), std::string(expr_time).c_str());
+	SCLOGF_INFO("IP: [{}] has been blocked untill {{{}}}", ip, std::string(expr_time));
 	return;
 }
 
@@ -136,13 +136,18 @@ bool ServerProcessor::IsPathSafe(const std::string& raw_path)
 	return false;
 }
 
+bool ServerProcessor::IsHeaderValid(uns::RequestPtr request)
+{
+	return true;
+}
+
 uns::ResponsePtr ServerProcessor::Handle(uns::RequestPtr request)
 {
 	std::string x_real_ip;
 	if(request->GetImpl()->webcc_req->HasHeader("X-Real-IP"))
 		x_real_ip = request->GetImpl()->webcc_req->GetHeader("X-Real-IP");
 	std::string req_ip = (x_real_ip.empty() ? request->GetImpl()->webcc_req->address() : x_real_ip);
-	SCLOGF_INFO("Request recived by {{{0}}}, ip: [{}], method: {}, URL: {}", RTTISubClassName(typeid(*this)), req_ip, request->GetImpl()->webcc_req->method(), request->GetImpl()->webcc_req->url().path());
+	SCLOGF_INFO("Request recived by {{{}}}, ip: [{}], method: {}, URL: {}", RTTISubClassName(typeid(*this)), req_ip, request->GetImpl()->webcc_req->method(), request->GetImpl()->webcc_req->url().path());
 	if (pimpl->IPCheck && (pimpl->BlockedIPs != nullptr))
 	{
 		pimpl->BlockedIPs->Update();

ServerProcessor.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 #include "Global.h"
 #include "Export.h"
 #include "IPTable.h"
@@ -23,9 +23,14 @@ public:
 	void AddStreamSettings(std::string method, bool stream);
 
 public:
+	// 主接口，重载以实现对请求的处理
 	virtual uns::ResponsePtr Processor(uns::RequestPtr request) = 0;
+	// 路径穿越配置，重载以配置允许的路径穿越类型
 	virtual uns::PathTraversalDefenceLevel PTDefence();
+	// 路径穿越防护，重载以实现路径穿越检查，配置为AutoNormalize或AllowNormal时必须，否则自动退化为DenyAll
 	virtual bool IsPathSafe(const std::string& raw_path);
+	// 请求头预检，重载以实现在接收请求体之前检查请求头，返回false则服务器将强制关闭连接
+	virtual bool IsHeaderValid(uns::RequestPtr request);
 
 public:
 	uns::ResponsePtr Handle(uns::RequestPtr request);

SyncFileReceiver.cpp

@@ -13,7 +13,8 @@ public:
 	bool HTMLResponse = false;
 	std::string TempRoot;
 	IPTablePtr BlockedIPs = nullptr;
-	WebFileInfoVec FileInfo;
+	TempFileManager FileManager;
+	std::chrono::seconds FileTimeout = 300s, FileMaxProcTimeout = 600s;
 };
 
 SyncFileReceiver::SyncFileReceiver() : pimpl(std::make_unique<Impl>())
@@ -23,9 +24,9 @@ SyncFileReceiver::SyncFileReceiver() : pimpl(std::make_unique<Impl>())
 SyncFileReceiver::~SyncFileReceiver() = default;
 
 // 【修改】虚函数的默认实现：如果子类不重写，则默认返回原先的成功状态(201 Created)
-uns::ResponsePtr SyncFileReceiver::ProcessFiles(const WebFileInfoVec& file_info, const std::string& tmp_root, uns::RequestPtr request)
+uns::ResponsePtr SyncFileReceiver::ProcessFiles(TempFileManager& file_info, SFR_FileMap file_map, const std::string& tmp_root, uns::RequestPtr request)
 {
-	SCLOGF_ERROR("SyncFileReceiver::ProcessFiles default handler triggered. Files count: {}", file_info.size());
+	SCLOGF_ERROR("SyncFileReceiver::ProcessFiles default handler triggered. Files count: {}", file_map.size());
 
 	std::string resp_body = (pimpl->HTMLResponse ? EncodeUploadResultHTML() : EncodeUploadResult());
 
@@ -35,19 +36,22 @@ uns::ResponsePtr SyncFileReceiver::ProcessFiles(const WebFileInfoVec& file_info,
 void SyncFileReceiver::SetResponseMode(bool html)
 {
 	pimpl->HTMLResponse = html;
-	SCLOG_DEBUG("SyncFileReceiver init mode: %s", (html ? "html" : "json"));
+	SCLOGF_DEBUG("SyncFileReceiver init mode: {}", (html ? "html" : "json"));
 }
 
 void SyncFileReceiver::SetCORSEnable(bool enable)
 {
 	pimpl->EnableCORS = enable;
-	SCLOG_DEBUG("SyncFileReceiver CORS mode: %s", (enable ? "enabled" : "disabled"));
+	SCLOGF_DEBUG("SyncFileReceiver CORS mode: {}", (enable ? "enabled" : "disabled"));
 }
 
 void SyncFileReceiver::SetTempRoot(std::string temp_root)
 {
 	pimpl->TempRoot = temp_root;
-	SCLOG_TRACE("SFR-TempRoot: %s", pimpl->TempRoot.c_str());
+	if (pimpl->FileManager.SetBaseDirectory(temp_root))
+		SCLOGF_TRACE("SFR-TempRoot: {}", pimpl->TempRoot);
+	else
+		SCLOGF_WARNING("SFR: Failed to Set Temp Root ({})", temp_root);
 	return;
 }
 
@@ -63,7 +67,7 @@ void SyncFileReceiver::AppenedBlockedIP(DateTime::Span block_time, std::string i
 	IPList li{ ip };
 	pimpl->BlockedIPs->Appened(expr_time, li);
 	pimpl->BlockedIPs->Update();
-	SCLOG_INFO("IP: [%s] has been blocked untill {%s}", ip.c_str(), std::string(expr_time).c_str());
+	SCLOGF_INFO("IP: [{}] has been blocked untill {{{}}}", ip, std::string(expr_time));
 	return;
 }
 
@@ -97,13 +101,24 @@ bool SyncFileReceiver::WriteFile(const std::string& path, const std::string& byt
 	std::ofstream stream{ path, std::ios::binary };
 	if (stream.fail())
 	{
-		SCLOG_WARNING("Failed to write file [%s]: can't open stream", path.c_str());
+		SCLOGF_WARNING("Failed to write file [{}]: can't open stream", path);
 		return false;
 	}
 	stream.write(bytes.data(), bytes.size());
-	if (stream.fail())
+	bool fail = stream.fail();
-		SCLOG_WARNING("Failed to write file [%s]: can't write to stream", path.c_str());
+	if (fail)
-	return !stream.fail();
+		SCLOGF_WARNING("Failed to write file [{}]: can't write to stream", path);
+	else
+		SCLOGF_TRACE("Wrote {siz-b} to file [{}]", bytes.size(), path);
+	return !fail;
+}
+
+void SyncFileReceiver::SetFileTimeout(std::chrono::seconds timeout, std::chrono::seconds max_proc_timeout) noexcept
+{
+	if (timeout.count() > 0)
+		pimpl->FileTimeout = timeout;
+	if (max_proc_timeout.count() > 0)
+		pimpl->FileMaxProcTimeout = max_proc_timeout;
 }
 
 uns::PathTraversalDefenceLevel SyncFileReceiver::PTDefence()
@@ -111,18 +126,28 @@ uns::PathTraversalDefenceLevel SyncFileReceiver::PTDefence()
 	return uns::PathTraversalDefenceLevel::DenyAll;
 }
 
-bool SyncFileReceiver::IsPathSafe(const std::string & raw_path)
+bool SyncFileReceiver::IsPathSafe(const std::string& raw_path)
 {
 	return false;
 }
 
+bool SyncFileReceiver::IsHeaderValid(uns::RequestPtr request)
+{
+	return true;
+}
+
 std::string SyncFileReceiver::EncodeUploadResult()
 {
+	try
+	{
 		Json::Value root;
 		Json::FastWriter writer;
-	root["AcceptedCount"] = pimpl->FileInfo.size();
+		// 1. 从管理器安全获取当前所有文件的快照
+		auto file_infos = pimpl->FileManager.GetAllFileInfos();
+		// 2. 组装 JSON 数据
+		root["AcceptedCount"] = static_cast<Json::Value::UInt64>(file_infos.size());
 		root["AcceptedFiles"] = Json::Value(Json::arrayValue);
-	for (auto& ele : pimpl->FileInfo)
+		for (const auto& ele : file_infos)
 		{
 			Json::Value sub;
 			sub["FileName"] = ele.GetStorageFileName();
@@ -130,6 +155,12 @@ std::string SyncFileReceiver::EncodeUploadResult()
 			root["AcceptedFiles"].append(sub);
 		}
 		return writer.write(root);
+	}
+	catch (...)
+	{
+		// 极致异常安全兜底：如果 Json 报错或内存写满，返回一个合法的空 JSON 字符串
+		return "{\"AcceptedCount\":0,\"AcceptedFiles\":[]}";
+	}
 }
 
 std::string SyncFileReceiver::EncodeUploadResultHTML()
@@ -150,43 +181,59 @@ std::string SyncFileReceiver::EncodeUploadResultHTML()
 	</body>
 </html>
 )";
+	try
+	{
+		// 1. 获取文件快照
+		auto file_infos = pimpl->FileManager.GetAllFileInfos();
+		// 2. 拼接文件列表 HTML
 		std::string tmp;
-	for (auto& ele : pimpl->FileInfo)
+		for (const auto& ele : file_infos)
 			tmp += "[" + ele.GetStorageFileName() + "] - {" + ele.GetUploadTime().Format("%Y-%m-%d %H:%M:%S") + "}<br>";
-	size_t html_size = strlen(html) + tmp.size() + 10;
+		// 3. 动态安全计算所需缓冲区大小（32字节用于容纳 %lld 的数字展开）
-	char* result = new char[html_size];
+		size_t html_size = strlen(html) + tmp.size() + 32;
-	memset(result, 0, sizeof(result));
+		// 利用 std::string 管理缓冲区内存（RAII 机制，无论发生什么都会自动释放，绝不泄漏）
-	sprintf(result, html, pimpl->FileInfo.size(), tmp.c_str());
+		std::string result_str(html_size, '\0');
-	tmp = std::string(result);
+		// 使用安全的 snprintf 写入 string 内部缓冲区
-	delete[] result;
+		int written = snprintf(result_str.data(), result_str.size(), html, static_cast<long long>(file_infos.size()), tmp.c_str());
-	return tmp;
+		if (written > 0)
+		{
+			result_str.resize(written); // 裁剪掉尾部多余的 \0
+			return result_str;
+		}
+		return "HTML generation failed";
+	}
+	catch (...)
+	{
+		// 异常安全兜底
+		return "<html><body><center><h1>Upload Result Error</h1></center></body></html>";
+	}
 }
 
 uns::ResponsePtr SyncFileReceiver::Execute(uns::RequestPtr request)
 {
 	uns::HTTPMethod method = GetMethod(request);
 	std::string x_real_ip;
-	if(request->GetImpl()->webcc_req->HasHeader("X-Real-IP"))
+	if (request->GetImpl()->webcc_req->HasHeader("X-Real-IP"))
 		x_real_ip = request->GetImpl()->webcc_req->GetHeader("X-Real-IP");
 	std::string req_ip = (x_real_ip.empty() ? request->GetImpl()->webcc_req->address() : x_real_ip);
-	SCLOG_DEBUG("Request recived, ip: [%s], method: %s", req_ip.c_str(), request->GetImpl()->webcc_req->method().c_str());
+	SCLOGF_DEBUG("Request recived, ip: [{}], method: {}", req_ip, request->GetImpl()->webcc_req->method());
 	// path test
 	std::string path = request->GetImpl()->webcc_req->url().path();
 	auto status = PathTraversal::AnalyzeUrlTraversal(path);
-	if(status != PathTraversal::UrlSafetyStatus::Safe)
+	if (status != PathTraversal::UrlSafetyStatus::Safe)
 		SCLOGF_WARNING("PathTraversal Detected: {}, Level: {}", path, PathTraversal::ToString(status));
-	switch(PTDefence())
+	switch (PTDefence())
 	{
 		case uns::PathTraversalDefenceLevel::DenyAll:
-			if(status != PathTraversal::UrlSafetyStatus::Safe)
+			if (status != PathTraversal::UrlSafetyStatus::Safe)
 				return (pimpl->EnableCORS ? uns::ResponseBuilder().Forbidden().EmptyBody().AutoCORS(request)() : uns::ResponseBuilder().Forbidden().EmptyBody()());
 			break;
 		case uns::PathTraversalDefenceLevel::AutoNormalize:
 		{
-			if(status == PathTraversal::UrlSafetyStatus::EvasiveTraversal)
+			if (status == PathTraversal::UrlSafetyStatus::EvasiveTraversal)
 				return (pimpl->EnableCORS ? uns::ResponseBuilder().Forbidden().EmptyBody().AutoCORS(request)() : uns::ResponseBuilder().Forbidden().EmptyBody()());
 			auto decoded_path = PathTraversal::UrlDecode(path);
-			if(!IsPathSafe(decoded_path))
+			if (!IsPathSafe(decoded_path))
 				return (pimpl->EnableCORS ? uns::ResponseBuilder().Forbidden().EmptyBody().AutoCORS(request)() : uns::ResponseBuilder().Forbidden().EmptyBody()());
 			auto url = request->GetImpl()->webcc_req->url();
 			url.ForceSet_Path(PathTraversal::NormalizeUrlPath(decoded_path));
@@ -195,10 +242,10 @@ uns::ResponsePtr SyncFileReceiver::Execute(uns::RequestPtr request)
 		}
 		case uns::PathTraversalDefenceLevel::AllowNormal:
 		{
-			if(status == PathTraversal::UrlSafetyStatus::EvasiveTraversal)
+			if (status == PathTraversal::UrlSafetyStatus::EvasiveTraversal)
 				return (pimpl->EnableCORS ? uns::ResponseBuilder().Forbidden().EmptyBody().AutoCORS(request)() : uns::ResponseBuilder().Forbidden().EmptyBody()());
 			auto decoded_path = PathTraversal::UrlDecode(path);
-			if(!IsPathSafe(decoded_path))
+			if (!IsPathSafe(decoded_path))
 				return (pimpl->EnableCORS ? uns::ResponseBuilder().Forbidden().EmptyBody().AutoCORS(request)() : uns::ResponseBuilder().Forbidden().EmptyBody()());
 			auto url = request->GetImpl()->webcc_req->url();
 			url.ForceSet_Path(decoded_path);
@@ -217,13 +264,14 @@ uns::ResponsePtr SyncFileReceiver::Execute(uns::RequestPtr request)
 			if (pimpl->BlockedIPs->IPExist(req_ip))
 				return (pimpl->EnableCORS ? uns::ResponseBuilder().IPBlocked().EmptyBody().AutoCORS(request)() : uns::ResponseBuilder().IPBlocked().EmptyBody()());
 		}
-		webcc::Status tmpStatus = uns::ConvertStatus(PreCheckRequest(request));
+		webcc::Status tmp_status = uns::ConvertStatus(PreCheckRequest(request));
-		if (tmpStatus != webcc::kOK)
+		if (tmp_status != webcc::kOK)
-			return (pimpl->EnableCORS ? uns::ResponseBuilder().Code(tmpStatus).EmptyBody().AutoCORS(request)() : uns::ResponseBuilder().Code(tmpStatus).EmptyBody()());
+			return (pimpl->EnableCORS ? uns::ResponseBuilder().Code(tmp_status).EmptyBody().AutoCORS(request)() : uns::ResponseBuilder().Code(tmp_status).EmptyBody()());
 		else if (!request->IsForm())
 			return (pimpl->EnableCORS ? uns::ResponseBuilder().RequestFormatError().EmptyBody().AutoCORS(request)() : uns::ResponseBuilder().RequestFormatError().EmptyBody()());
 		else
 		{
+			SFR_FileMap fmap;
 			for (auto& form : request->GetFormParts())
 			{
 				if (form->GetFileName().empty())
@@ -236,17 +284,13 @@ uns::ResponsePtr SyncFileReceiver::Execute(uns::RequestPtr request)
 				SCLOGF_DEBUG("File recived: [{}], {} bytes", form->GetFileName(), form->GetDataSize());
 				WebFileInfo info(form->GetFileNameS(), form->GetDataSize());
 				WriteFile(info.MakePath(pimpl->TempRoot), form->GetData());
-				pimpl->FileInfo.push_back(info);
+				fmap.insert({ form->GetFileNameS(), info.GetStorageFileName() });
+				//pimpl->FileInfo.push_back(info);
+				if (!pimpl->FileManager.RegisterFile(info, pimpl->FileTimeout, pimpl->FileMaxProcTimeout))
+					SCLOGF_WARNING("FileManager.RegisterFile Error, File: {}, TempRoot: {}", form->GetFileName(), pimpl->TempRoot);
 			}
-
+			// 同步调用虚函数，获取具体的业务处理结果（及构筑好的自定义 HTTP Response）
-			// 【修改的关键步骤】
+			uns::ResponsePtr response = ProcessFiles(pimpl->FileManager, fmap, pimpl->TempRoot, request);
-			// 1. 同步调用虚函数，获取具体的业务处理结果（及构筑好的自定义 HTTP Response）
-			uns::ResponsePtr response = ProcessFiles(pimpl->FileInfo, pimpl->TempRoot, request);
-			
-			// 2. 清理当前类中的文件缓存（防止污染下一次 HTTP 请求）
-			pimpl->FileInfo.clear();
-			
-			// 3. 作为最后一步直接返回
 			return response;
 		}
 	}

SyncFileReceiver.h

@@ -1,9 +1,11 @@
-#pragma once
+#pragma once
 #include "Export.h"
 #include "Global.h"
 #include "IPTable.h"
-#include "WebFileInfo.h"
 #include "HTTPObjects.h"
+#include "TempFileManager.h"
+
+using SFR_FileMap = std::map<std::string, std::string>;
 
 class UNSWSC_DLL_EXPORT SyncFileReceiver
 {
@@ -25,16 +27,22 @@ public:
 	uns::HTTPMethod GetMethod(uns::RequestPtr request);
 	void AppenedBlockedIP(DateTime::Span block_time, std::string ip);
 	bool WriteFile(const std::string& path, const std::string& bytes);
+	void SetFileTimeout(std::chrono::seconds timeout = 0s, std::chrono::seconds max_proc_timeout = 0s) noexcept;
 
 public:
+	// 请求信息预检，重载以在保存文件之前检查请求体
 	virtual uns::Status PreCheckRequest(uns::RequestPtr request) = 0;
+	// 表单预检，重载以在处理表单前检查表单
 	virtual bool PreCheckForm(uns::FormPartPtr form) = 0;
+	// 路径穿越配置，重载以配置允许的路径穿越类型
 	virtual uns::PathTraversalDefenceLevel PTDefence();
+	// 路径穿越防护，重载以实现路径穿越检查，配置为AutoNormalize或AllowNormal时必须，否则自动退化为DenyAll
 	virtual bool IsPathSafe(const std::string& raw_path);
+	// 请求头预检，重载以实现在接收请求体之前检查请求头，返回false则服务器将强制关闭连接
+	virtual bool IsHeaderValid(uns::RequestPtr request);
 
-	// 【修改】由原先的 Callback 改为可供子类重写的虚函数
+	// 主接口，重载以接收并处理文件
-	// 返回值改为 webcc::ResponsePtr，并且引入 request 参数以便子类调用 AutoCORS 或解析请求头
+	virtual uns::ResponsePtr ProcessFiles(TempFileManager& file_info, SFR_FileMap file_map, const std::string& tmp_root, uns::RequestPtr request);
-	virtual uns::ResponsePtr ProcessFiles(const WebFileInfoVec& file_info, const std::string& tmp_root, uns::RequestPtr request);
 
 public:
 	uns::ResponsePtr Execute(uns::RequestPtr request);

TempFileManager.cpp

@@ -0,0 +1,397 @@
+#include "TempFileManager.h"
+#include <thread>
+#include <filesystem>
+#include <shared_mutex>
+#include <system_error>
+#include <unordered_map>
+#include "ServerLogger.h"
+
+class TempFileManager::Impl
+{
+public:
+	struct FileControlBlock
+	{
+		WebFileInfo info;
+		std::chrono::steady_clock::time_point expire_time;
+		std::chrono::steady_clock::time_point active_start_time;
+		std::chrono::seconds remaining_timeout;
+		std::chrono::seconds max_processing_timeout;
+		bool is_active = false;
+		bool is_permanent = false;                               // 是否永久保留
+		bool is_invalid = false;
+	};
+
+	std::string base_dir;
+	std::unordered_map<std::string, FileControlBlock> file_map;
+	mutable std::shared_mutex rw_mutex;
+
+	// C++20 jthread
+	std::jthread cleanup_thread;
+
+public:
+	Impl() noexcept
+	{
+	}
+
+	~Impl() noexcept
+	{
+		// 1. 必须第一步：发送停止信号并阻塞等待后台清理线程彻底退出
+		// 这样能确保后面遍历 file_map 时，绝对没有第二个线程在并发访问它
+		SCLOG_INFO("TempFileManager Destruction Begin");
+		cleanup_thread.request_stop();
+		if (cleanup_thread.joinable())
+			cleanup_thread.join();
+		// 2. 此时属于单线程环境，无需加锁。遍历并销毁所有非永久文件
+		std::error_code ec;
+		for (const auto& [_, fcb] : file_map)
+		{
+			if (!fcb.is_permanent && !base_dir.empty())
+			{
+				std::string path = fcb.info.MakePath(base_dir);
+				// 使用无异常重载版本，即使磁盘物理删除失败（如文件被外层强行独占锁死）也绝不抛出异常
+				std::filesystem::remove(path, ec);
+				if (!ec)
+					SCLOGF_INFO("Temp File {} Deleted.", path);
+				else
+					SCLOGF_WARNING("Temp File {} Delete Failed: {}({})", path, ec.value(), ec.message());
+			}
+			// 如果 is_permanent 为 true（永久化文件），则跳过不处理，物理文件将安全留在磁盘上
+		}
+		// 3. 析构结束，file_map 内存控制块会自动退栈销毁
+		SCLOG_INFO("TempFileManager Destruction Finished");
+	}
+
+public:
+	void CleanupLoop(std::stop_token st) noexcept
+	{
+		while (!st.stop_requested())
+		{
+			// 改进：引入分段休眠（10次*100ms），让析构函数调用 join() 时能在最大 100ms 内瞬间响应退出
+			// 避免传统的 sleep_for(1s) 导致服务器内核关闭时卡顿 1 秒
+			for (int i = 0; i < 10; i++)
+			{
+				std::this_thread::sleep_for(std::chrono::milliseconds(100));
+				if (st.stop_requested())
+					return; // 随时收到终止信号随时退出
+			}
+			std::unique_lock lock(rw_mutex);
+			if (base_dir.empty())
+				continue;
+			auto now = std::chrono::steady_clock::now();
+			for (auto it = file_map.begin(); it != file_map.end(); )
+			{
+				bool should_delete = false;
+				if (it->second.is_invalid)
+					should_delete = true;	//手动设置的无条件立即删除
+				if (!it->second.is_permanent)
+				{
+					if (it->second.is_active)
+					{
+						if ((it->second.max_processing_timeout > std::chrono::seconds(0)) && ((now - it->second.active_start_time) > it->second.max_processing_timeout))
+							should_delete = true;
+					}
+					else
+					{
+						if (now > it->second.expire_time)
+							should_delete = true;
+					}
+				}
+				if (should_delete)
+				{
+					std::error_code ec;
+					std::string path = it->second.info.MakePath(base_dir);
+					std::filesystem::remove(path, ec);
+					if (!ec)
+						SCLOGF_INFO("Temp File {} {}, Deleted.", path, (it->second.is_invalid ? "Invalid" : "Expried"));
+					else
+						SCLOGF_WARNING("Temp File {} {}, Delete Failed: {}({})", path, (it->second.is_invalid ? "Invalid" : "Expried"), ec.value(), ec.message());
+					it = file_map.erase(it);
+				}
+				else
+					++it;
+			}
+		}
+	}
+};
+
+TempFileManager::TempFileManager() noexcept : pimpl(std::make_unique<Impl>())
+{
+}
+
+TempFileManager::~TempFileManager() noexcept = default;
+
+// ================= 以下其余基础业务接口保持不变 =================
+
+bool TempFileManager::SetBaseDirectory(std::string dir) noexcept
+{
+	std::unique_lock lock(pimpl->rw_mutex); // 加上写锁，防止与其他文件操作并发
+	pimpl->base_dir = std::move(dir);
+	std::error_code ec;
+	// 物理创建目录（无异常版本）
+	std::filesystem::create_directories(pimpl->base_dir, ec);
+	if (ec)
+		SCLOGF_ERROR("TempFileManager: create_directories error: {}({})", ec.value(), ec.message());
+	// 只有在线程未启动时才启动后台清理线程，确保整个生命周期只启动一次
+	if (!pimpl->cleanup_thread.joinable() && !ec)
+	{
+		pimpl->cleanup_thread = std::jthread([this] (std::stop_token st)
+		{
+			this->pimpl->CleanupLoop(st);
+		});
+		SCLOGF_INFO("TempFileManager: Thread Started.");
+	}
+	else
+		SCLOGF_ERROR("TempFileManager: Failed To Start Thread (Thread Joinable: {}, Error: {})", pimpl->cleanup_thread.joinable(), ec.message());
+	return !ec;
+}
+
+bool TempFileManager::RegisterFile(const WebFileInfo& info, std::chrono::seconds timeout, std::chrono::seconds max_proc_timeout) noexcept
+{
+	try
+	{
+		std::unique_lock lock(pimpl->rw_mutex);
+		if (pimpl->file_map.contains(info.GetStorageFileName()))
+		{
+			SCLOGF_WARNING("RegisterFile Failed: File {} Already Exists", info.GetStorageFileName());
+			return false;
+		}
+		Impl::FileControlBlock fcb
+		{
+			.info = info,
+			.expire_time = std::chrono::steady_clock::now() + timeout,
+			.remaining_timeout = timeout,
+			.max_processing_timeout = max_proc_timeout
+		};
+		pimpl->file_map[info.GetStorageFileName()] = std::move(fcb);
+		SCLOGF_INFO("File {}({}) Registered", info.GetOriginalFileName(), info.GetStorageFileName());
+		return true;
+	}
+	catch (...)
+	{
+		SCLOG_WARNING("RegisterFile Failed: Exception");
+		return false;
+	}
+}
+
+bool TempFileManager::InvalidateFile(const WebFileInfo& info)
+{
+	std::unique_lock lock(pimpl->rw_mutex);
+	if (pimpl->file_map.contains(info.GetStorageFileName()))
+	{
+		pimpl->file_map[info.GetStorageFileName()].is_invalid = true;
+		SCLOGF_INFO("File [{}]({}) Marked AS Invalid", info.GetStorageFileName(), info.GetOriginalFileName());
+		return true;
+	}
+	else
+		SCLOGF_WARNING("InvalidateFile({}/{}) Failed: Not Found", info.GetOriginalFileName(), info.GetStorageFileName());
+	return false;
+}
+
+bool TempFileManager::InvalidateFile(const std::map<std::string, std::string>& info)
+{
+	size_t succ_cnt = 0;
+	std::unique_lock lock(pimpl->rw_mutex);
+	for (const auto& [on, sn] : info)
+	{
+		if (pimpl->file_map.contains(sn))
+		{
+			pimpl->file_map[sn].is_invalid = true;
+			succ_cnt++;
+			SCLOGF_INFO("File [{}]({}) Marked AS Invalid", sn, on);
+		}
+		else
+			SCLOGF_WARNING("InvalidateFile({}/{}) Failed: Not Found", on, sn);
+	}
+	return (succ_cnt == info.size());
+}
+
+bool TempFileManager::CopyFileTo(const std::string& storage_name, const std::string& dest_absolute_path) noexcept
+{
+	std::shared_lock lock(pimpl->rw_mutex);
+	auto it = pimpl->file_map.find(storage_name);
+	auto dest_file = std::filesystem::path(dest_absolute_path) / storage_name;
+	if (it == pimpl->file_map.end())
+	{
+		SCLOGF_WARNING("CopyFileTo({}, {}) Failed: File Not Exists", storage_name, dest_file);
+		return false;
+	}
+	std::error_code ec;
+	std::filesystem::copy(it->second.info.MakePath(pimpl->base_dir), dest_file, std::filesystem::copy_options::overwrite_existing, ec);
+	if (ec)
+		SCLOGF_WARNING("CopyFileTo({}, {}) Failed: {}({})", storage_name, dest_file, ec.value(), ec.message());
+	else
+		SCLOGF_INFO("CopyFileTo({}, {}) Success", storage_name, dest_file);
+	return !ec;
+}
+
+bool TempFileManager::CutFileTo(const std::string& storage_name, const std::string& dest_absolute_path) noexcept
+{
+	std::unique_lock lock(pimpl->rw_mutex);
+	auto it = pimpl->file_map.find(storage_name);
+	auto dest_file = std::filesystem::path(dest_absolute_path) / storage_name;
+	if (it == pimpl->file_map.end())
+	{
+		SCLOGF_WARNING("CutFileTo({}, {}) Failed: File Not Exists", storage_name, dest_file);
+		return false;
+	}
+	std::error_code ec;
+	std::filesystem::rename(it->second.info.MakePath(pimpl->base_dir), dest_file, ec);
+	if (ec)
+		SCLOGF_WARNING("CutFileTo({}, {}) Failed: {}({})", storage_name, dest_file, ec.value(), ec.message());
+	else
+		SCLOGF_INFO("CutFileTo({}, {}) Success", storage_name, dest_file);
+	if (ec)
+		return false;
+	pimpl->file_map.erase(it);
+	return true;
+}
+
+bool TempFileManager::RenameFile(const std::string& old_storage_name, const std::string& new_storage_name) noexcept
+{
+	try
+	{
+		std::unique_lock lock(pimpl->rw_mutex);
+		auto it = pimpl->file_map.find(old_storage_name);
+		if ((it == pimpl->file_map.end()) || pimpl->file_map.contains(new_storage_name))
+		{
+			SCLOGF_WARNING("RenameFile({}, {}) Failed: File Not Exists", old_storage_name, new_storage_name);
+			return false;
+		}
+		std::error_code ec;
+		std::string old_path = it->second.info.MakePath(pimpl->base_dir);
+		Impl::FileControlBlock fcb = std::move(it->second);
+		fcb.info.SetStorageFileName(new_storage_name);
+		std::string new_path = fcb.info.MakePath(pimpl->base_dir);
+		std::filesystem::rename(old_path, new_path, ec);
+		if (ec)
+			SCLOGF_WARNING("RenameFile({}, {}) Failed: {}({})", old_storage_name, new_storage_name, ec.value(), ec.message());
+		else
+			SCLOGF_INFO("RenameFile({}, {}) Success", old_storage_name, new_storage_name);
+		if (ec)
+			return false;
+		pimpl->file_map.erase(it);
+		pimpl->file_map[new_storage_name] = std::move(fcb);
+		return true;
+	}
+	catch (...)
+	{
+		SCLOG_WARNING("RenameFile Failed: Exception");
+		return false;
+	}
+}
+
+bool TempFileManager::DeleteFile(const std::string& storage_name) noexcept
+{
+	std::unique_lock lock(pimpl->rw_mutex);
+	auto it = pimpl->file_map.find(storage_name);
+	if (it == pimpl->file_map.end())
+	{
+		SCLOGF_WARNING("DeleteFile({}) Failed: File Not Exists", storage_name);
+		return false;
+	}
+	std::error_code ec;
+	std::filesystem::remove(it->second.info.MakePath(pimpl->base_dir), ec);
+	if (ec)
+		SCLOGF_WARNING("DeleteFile({}) Failed: {}({})", storage_name, ec.value(), ec.message());
+	else
+		SCLOGF_INFO("DeleteFile({}) Success", storage_name);
+	if (ec)
+		return false;
+	pimpl->file_map.erase(it);
+	return true;
+}
+
+bool TempFileManager::ActiveFile(const std::string& storage_name) noexcept
+{
+	std::unique_lock lock(pimpl->rw_mutex);
+	auto it = pimpl->file_map.find(storage_name);
+	if ((it == pimpl->file_map.end()) || it->second.is_active)
+	{
+		SCLOGF_WARNING("ActiveFile({}) Failed: {}", storage_name, (it->second.is_active ? "Already Actived" : "File Not Exists"));
+		return false;
+	}
+	auto now = std::chrono::steady_clock::now();
+	if (it->second.expire_time > now)
+		it->second.remaining_timeout = std::chrono::duration_cast<std::chrono::seconds>(it->second.expire_time - now);
+	else
+		it->second.remaining_timeout = std::chrono::seconds(0);
+	it->second.is_active = true;
+	it->second.active_start_time = now;
+	SCLOGF_INFO("ActiveFile({}) Success", storage_name);
+	return true;
+}
+
+bool TempFileManager::DeactiveFile(const std::string& storage_name) noexcept
+{
+	std::unique_lock lock(pimpl->rw_mutex);
+	auto it = pimpl->file_map.find(storage_name);
+	if ((it == pimpl->file_map.end()) || !it->second.is_active)
+	{
+		SCLOGF_WARNING("DeactiveFile({}) Failed: {}", storage_name, ((it != pimpl->file_map.end()) ? "Already Deactived" : "File Not Exists"));
+		return false;
+	}
+	it->second.is_active = false;
+	it->second.expire_time = std::chrono::steady_clock::now() + it->second.remaining_timeout;
+	SCLOGF_INFO("DeactiveFile({}) Success", storage_name);
+	return true;
+}
+
+bool TempFileManager::SetPermanent(const std::string& storage_name, bool permanent) noexcept
+{
+	std::unique_lock lock(pimpl->rw_mutex);
+	auto it = pimpl->file_map.find(storage_name);
+	if (it == pimpl->file_map.end())
+	{
+		SCLOGF_WARNING("SetPermanent({}) Failed: File Not Exists", storage_name);
+		return false;
+	}
+	it->second.is_permanent = permanent;
+	SCLOGF_INFO("SetPermanent({}) Success", storage_name);
+	return true;
+}
+
+bool TempFileManager::FileExists(const std::string& storage_name) const noexcept
+{
+	std::shared_lock lock(pimpl->rw_mutex);
+	return pimpl->file_map.contains(storage_name);
+}
+
+bool TempFileManager::GetFileInfo(const std::string& storage_name, WebFileInfo& out_info) const noexcept
+{
+	try
+	{
+		std::shared_lock lock(pimpl->rw_mutex);
+		auto it = pimpl->file_map.find(storage_name);
+		if (it == pimpl->file_map.end())
+			return false;
+		out_info = it->second.info;
+		return true;
+	}
+	catch (...)
+	{
+		SCLOGF_WARNING("GetFileInfo({}) Failed: Exception", storage_name);
+		return false;
+	}
+}
+
+size_t TempFileManager::GetFileCount() const noexcept
+{
+	return pimpl->file_map.size();
+}
+
+std::vector<WebFileInfo> TempFileManager::GetAllFileInfos() const noexcept
+{
+	std::vector<WebFileInfo> list;
+	try
+	{
+		std::shared_lock lock(pimpl->rw_mutex); // 申请读锁，支持高并发并发读取
+		list.reserve(pimpl->file_map.size());   // 提前预留空间，减少内存重分配次数
+		for (const auto& [_, fcb] : pimpl->file_map)
+			list.push_back(fcb.info);    // 拷贝文件元数据到外部
+	}
+	catch (...)
+	{
+		list.clear(); // 极端内存崩溃(bad_alloc)时，清空并安全返回空数组
+	}
+	return list;
+}

TempFileManager.h

@@ -0,0 +1,47 @@
+#pragma once
+#include <map>
+#include <string>
+#include <chrono>
+#include <memory>
+#include "Export.h"
+#include "WebFileInfo.h"
+
+using std::chrono::operator""s;
+using std::chrono::operator""min;
+
+class UNSWSC_DLL_EXPORT TempFileManager
+{
+private:
+	class Impl;
+
+	std::unique_ptr<Impl> pimpl;
+
+public:
+	TempFileManager() noexcept;
+	~TempFileManager() noexcept;
+
+	// 禁止拷贝与移动
+	TempFileManager(const TempFileManager&) = delete;
+	TempFileManager& operator=(const TempFileManager&) = delete;
+	TempFileManager(TempFileManager&&) = delete;
+	TempFileManager& operator=(TempFileManager&&) = delete;
+
+	// 基础业务接口（保持不变）
+	bool SetBaseDirectory(std::string dir) noexcept;
+	bool RegisterFile(const WebFileInfo& info, std::chrono::seconds timeout, std::chrono::seconds max_proc_timeout = std::chrono::seconds(0)) noexcept;
+	bool InvalidateFile(const WebFileInfo& info);
+	//For SFR_FileMap<OriginFileName, StorageFileName>
+	bool InvalidateFile(const std::map<std::string, std::string>& info);
+	bool CopyFileTo(const std::string& storage_name, const std::string& dest_absolute_path) noexcept;
+	bool CutFileTo(const std::string& storage_name, const std::string& dest_absolute_path) noexcept;
+	bool RenameFile(const std::string& old_storage_name, const std::string& new_storage_name) noexcept;
+	bool DeleteFile(const std::string& storage_name) noexcept;
+	bool ActiveFile(const std::string& storage_name) noexcept;
+	bool DeactiveFile(const std::string& storage_name) noexcept;
+	bool SetPermanent(const std::string& storage_name, bool permanent) noexcept;
+	bool FileExists(const std::string& storage_name) const noexcept;
+	bool GetFileInfo(const std::string& storage_name, WebFileInfo& out_info) const noexcept;
+	size_t GetFileCount() const noexcept;
+	// 获取当前所有管理中的文件信息快照（线程安全，绝不抛出异常）
+	std::vector<WebFileInfo> GetAllFileInfos() const noexcept;
+};

UNSResponseBuilder.cpp

@@ -740,18 +740,18 @@ uns::ResponseBuilder& uns::ResponseBuilder::AutoCORS(uns::RequestPtr req)
 			std::string host = req->GetImpl()->webcc_req->HasHeader("Host") ? req->GetImpl()->webcc_req->GetHeader("Host") : "";
 			if(host.empty() || GlobalCORSConfig.HostValidate(host))
 			{
-				SCLOG_INFO("Applied CORS headers for origin=%s cred=%d", origin.c_str(), GlobalCORSConfig.AllowCookie() ? 1 : 0);
+				SCLOGF_INFO("Applied CORS headers for origin={} cred={}", origin, GlobalCORSConfig.AllowCookie() ? 1 : 0);
 				return CORS(origin);
 			}
 			else
 			{
-				SCLOG_WARNING("Actual request: Host not allowed: %s", host.c_str());
+				SCLOGF_WARNING("Actual request: Host not allowed: {}", host);
 				return Forbidden().Body(std::string("CORS ERROR"));
 			}
 		}
 		else
 		{
-			SCLOG_WARNING("Actual request: Origin not allowed: %s", origin.c_str());
+			SCLOGF_WARNING("Actual request: Origin not allowed: {}", origin);
 			return Forbidden().Body(std::string("CORS ERROR"));
 		}
 	}

WebFileInfo.cpp

@@ -90,3 +90,13 @@ size_t WebFileInfo::GetFileSize() const
 {
 	return FileSize;
 }
+
+void WebFileInfo::SetStorageFileName(const std::string& sfn)
+{
+	StorageFileName = sfn;
+}
+
+void WebFileInfo::SetOriginalFileName(const std::string& ofn)
+{
+	OriginalFileName = ofn;
+}

WebFileInfo.h

@@ -31,6 +31,10 @@ public:
 	std::string GetExtensionName() const;
 	DateTime GetUploadTime() const;
 	size_t GetFileSize() const;
+
+public:
+	void SetStorageFileName(const std::string& sfn);
+	void SetOriginalFileName(const std::string& ofn);
 };
 
 using WebFileInfoVec = std::vector<WebFileInfo>;

build/CMakeFiles/Makefile2

@@ -86,12 +86,12 @@ clean: CMakeFiles/rebuild.dir/clean
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+	@$(CMAKE_COMMAND) -E cmake_echo_color "--switch=$(COLOR)" --progress-dir=/home/unknownobject/UNSWebServerCore/build/CMakeFiles --progress-num=8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28 "Built target unswsc"
 .PHONY : CMakeFiles/unswsc.dir/all
 
 # Build rule for subdir invocation for target.
 CMakeFiles/unswsc.dir/rule: cmake_check_build_system
-	$(CMAKE_COMMAND) -E cmake_progress_start /home/unknownobject/UNSWebServerCore/build/CMakeFiles 20
+	$(CMAKE_COMMAND) -E cmake_progress_start /home/unknownobject/UNSWebServerCore/build/CMakeFiles 21
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  /usr/include/c++/13/bits/node_handle.h \
- /usr/include/c++/13/bits/erase_if.h \
+ /usr/include/c++/13/bits/erase_if.h /usr/include/c++/13/filesystem \
+ /usr/include/c++/13/bits/fs_fwd.h /usr/include/c++/13/bits/fs_path.h \
+ /usr/include/c++/13/codecvt /usr/include/c++/13/bits/fs_dir.h \
+ /usr/include/c++/13/bits/fs_ops.h \
  /home/unknownobject/UNSWebServerCore/utextcodec/UTextCodec.h

build/CMakeFiles/logger_test.dir/ServerLogger.cpp.o.d

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- /usr/include/c++/13/bits/erase_if.h \
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+ /usr/include/c++/13/bits/fs_ops.h /usr/include/c++/13/condition_variable \
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  /home/unknownobject/vcpkg/installed/x64-linux/include/fmt/base.h \
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  /usr/include/c++/13/bits/ranges_algobase.h \
  /home/unknownobject/UNSWebServerCore/Export.h \
+ /usr/include/c++/13/filesystem /usr/include/c++/13/bits/fs_fwd.h \
+ /usr/include/c++/13/bits/fs_path.h /usr/include/c++/13/codecvt \
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  /usr/include/c++/13/bits/istream.tcc \
  /usr/include/c++/13/bits/sstream.tcc \
  /home/unknownobject/UNSWebServerCore/Global.h \
+ /usr/include/c++/13/optional \
+ /usr/include/c++/13/bits/enable_special_members.h \
  /home/unknownobject/UNSWebServerCore/DateTime.h

build/CMakeFiles/unswsc.dir/CORSProcessor.cpp.o.d

@@ -140,7 +140,11 @@ CMakeFiles/unswsc.dir/CORSProcessor.cpp.o: \
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- /usr/include/c++/13/bits/vector.tcc \
+ /usr/include/c++/13/bits/vector.tcc /usr/include/c++/13/optional \
+ /usr/include/c++/13/exception /usr/include/c++/13/bits/exception_ptr.h \
+ /usr/include/c++/13/bits/cxxabi_init_exception.h \
+ /usr/include/c++/13/typeinfo /usr/include/c++/13/bits/nested_exception.h \
+ /usr/include/c++/13/bits/enable_special_members.h \
  /home/unknownobject/UNSWebServerCore/Export.h \
  /home/unknownobject/UNSWebServerCore/DateTime.h /usr/include/time.h \
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@@ -159,11 +163,8 @@ CMakeFiles/unswsc.dir/CORSProcessor.cpp.o: \
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- /usr/include/c++/13/ios /usr/include/c++/13/exception \
+ /usr/include/c++/13/ios /usr/include/c++/13/bits/ios_base.h \
- /usr/include/c++/13/bits/exception_ptr.h \
+ /usr/include/c++/13/ext/atomicity.h \
- /usr/include/c++/13/bits/cxxabi_init_exception.h \
- /usr/include/c++/13/typeinfo /usr/include/c++/13/bits/nested_exception.h \
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- /usr/include/c++/13/bits/fs_dir.h /usr/include/c++/13/bits/fs_ops.h
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+ /usr/include/c++/13/condition_variable \
+ /home/unknownobject/UNSWebServerCore/UNSResponseBuilder.h

build/CMakeFiles/unswsc.dir/DependInfo.cmake

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+  "/home/unknownobject/UNSWebServerCore/TempFileManager.cpp" "CMakeFiles/unswsc.dir/TempFileManager.cpp.o" "gcc" "CMakeFiles/unswsc.dir/TempFileManager.cpp.o.d"
   "/home/unknownobject/UNSWebServerCore/UNSResponseBuilder.cpp" "CMakeFiles/unswsc.dir/UNSResponseBuilder.cpp.o" "gcc" "CMakeFiles/unswsc.dir/UNSResponseBuilder.cpp.o.d"
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- /usr/include/c++/13/bits/vector.tcc \
+ /usr/include/c++/13/bits/vector.tcc /usr/include/c++/13/optional \
+ /usr/include/c++/13/exception /usr/include/c++/13/bits/exception_ptr.h \
+ /usr/include/c++/13/bits/cxxabi_init_exception.h \
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  /home/unknownobject/UNSWebServerCore/Export.h \
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  /usr/include/c++/13/functional /usr/include/c++/13/bits/std_function.h \
- /usr/include/c++/13/typeinfo /usr/include/c++/13/unordered_map \
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  /usr/include/c++/13/bits/hashtable.h \
- /usr/include/c++/13/bits/hashtable_policy.h \
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build/CMakeFiles/unswsc.dir/ServerLogger.cpp.o.d

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build/CMakeFiles/unswsc.dir/ServerProcessor.cpp.o.d

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+ /usr/include/x86_64-linux-gnu/bits/posix_opt.h \
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+ /usr/include/x86_64-linux-gnu/asm/unistd_64.h \
+ /usr/include/x86_64-linux-gnu/bits/syscall.h \
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+ /usr/include/c++/13/backward/auto_ptr.h \
+ /usr/include/c++/13/bits/ranges_uninitialized.h \
+ /usr/include/c++/13/pstl/glue_memory_defs.h \
+ /usr/include/c++/13/pstl/execution_defs.h \
+ /home/unknownobject/UNSWebServerCore/Export.h \
+ /home/unknownobject/UNSWebServerCore/WebFileInfo.h \
+ /home/unknownobject/UNSWebServerCore/DateTime.h \
+ /usr/include/c++/13/thread /usr/include/c++/13/stop_token \
+ /usr/include/c++/13/atomic /usr/include/c++/13/bits/std_thread.h \
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+ /usr/include/c++/13/bits/atomic_timed_wait.h \
+ /usr/include/c++/13/bits/this_thread_sleep.h \
+ /usr/include/x86_64-linux-gnu/sys/time.h /usr/include/semaphore.h \
+ /usr/include/x86_64-linux-gnu/bits/semaphore.h \
+ /usr/include/c++/13/filesystem /usr/include/c++/13/bits/fs_fwd.h \
+ /usr/include/c++/13/bits/fs_path.h /usr/include/c++/13/codecvt \
+ /usr/include/c++/13/bits/fs_dir.h /usr/include/c++/13/bits/fs_ops.h \
+ /usr/include/c++/13/shared_mutex /usr/include/c++/13/unordered_map \
+ /usr/include/c++/13/bits/unordered_map.h \
+ /usr/include/c++/13/bits/hashtable.h \
+ /usr/include/c++/13/bits/hashtable_policy.h \
+ /home/unknownobject/UNSWebServerCore/ServerLogger.h \
+ /usr/include/c++/13/deque /usr/include/c++/13/bits/stl_deque.h \
+ /usr/include/c++/13/bits/deque.tcc /usr/include/c++/13/mutex \
+ /usr/include/c++/13/bits/unique_lock.h /usr/include/c++/13/cstring \
+ /usr/include/string.h /usr/include/strings.h \
+ /usr/include/x86_64-linux-gnu/bits/strings_fortified.h \
+ /usr/include/x86_64-linux-gnu/bits/string_fortified.h \
+ /usr/include/c++/13/fstream \
+ /usr/include/x86_64-linux-gnu/c++/13/bits/basic_file.h \
+ /usr/include/x86_64-linux-gnu/c++/13/bits/c++io.h \
+ /usr/include/c++/13/bits/fstream.tcc \
+ /home/unknownobject/UNSWebServerCore/LogArg.h \
+ /usr/include/c++/13/functional /usr/include/c++/13/bits/std_function.h \
+ /usr/include/c++/13/condition_variable

build/CMakeFiles/unswsc.dir/UNSResponseBuilder.cpp.o.d

@@ -235,7 +235,8 @@ CMakeFiles/unswsc.dir/UNSResponseBuilder.cpp.o: \
  /usr/include/c++/13/bits/stl_relops.h \
  /home/unknownobject/UNSWebServerCore/Global.h /usr/include/c++/13/map \
  /usr/include/c++/13/bits/stl_map.h \
- /usr/include/c++/13/bits/stl_multimap.h \
+ /usr/include/c++/13/bits/stl_multimap.h /usr/include/c++/13/optional \
+ /usr/include/c++/13/bits/enable_special_members.h \
  /home/unknownobject/UNSWebServerCore/DateTime.h \
  /home/unknownobject/vcpkg/installed/x64-linux/include/json/json.h \
  /home/unknownobject/vcpkg/installed/x64-linux/include/json/config.h \
@@ -272,10 +273,9 @@ CMakeFiles/unswsc.dir/UNSResponseBuilder.cpp.o: \
  /usr/include/c++/13/bits/stl_heap.h \
  /usr/include/c++/13/bits/uniform_int_dist.h \
  /usr/include/c++/13/bits/chrono_io.h /usr/include/c++/13/format \
- /usr/include/c++/13/charconv /usr/include/c++/13/optional \
+ /usr/include/c++/13/charconv /usr/include/c++/13/span \
- /usr/include/c++/13/bits/enable_special_members.h \
+ /usr/include/c++/13/variant /usr/include/c++/13/functional \
- /usr/include/c++/13/span /usr/include/c++/13/variant \
+ /usr/include/c++/13/bits/std_function.h \
- /usr/include/c++/13/functional /usr/include/c++/13/bits/std_function.h \
  /usr/include/c++/13/unordered_map \
  /usr/include/c++/13/bits/unordered_map.h \
  /usr/include/c++/13/bits/hashtable.h \

build/CMakeFiles/unswsc.dir/build.make

@@ -335,6 +335,20 @@ CMakeFiles/unswsc.dir/PathTraversal.cpp.s: cmake_force
 	@$(CMAKE_COMMAND) -E cmake_echo_color "--switch=$(COLOR)" --green "Compiling CXX source to assembly CMakeFiles/unswsc.dir/PathTraversal.cpp.s"
 	/usr/bin/c++ $(CXX_DEFINES) $(CXX_INCLUDES) $(CXX_FLAGS) -S /home/unknownobject/UNSWebServerCore/PathTraversal.cpp -o CMakeFiles/unswsc.dir/PathTraversal.cpp.s
 
+CMakeFiles/unswsc.dir/TempFileManager.cpp.o: CMakeFiles/unswsc.dir/flags.make
+CMakeFiles/unswsc.dir/TempFileManager.cpp.o: /home/unknownobject/UNSWebServerCore/TempFileManager.cpp
+CMakeFiles/unswsc.dir/TempFileManager.cpp.o: CMakeFiles/unswsc.dir/compiler_depend.ts
+	@$(CMAKE_COMMAND) -E cmake_echo_color "--switch=$(COLOR)" --green --progress-dir=/home/unknownobject/UNSWebServerCore/build/CMakeFiles --progress-num=$(CMAKE_PROGRESS_20) "Building CXX object CMakeFiles/unswsc.dir/TempFileManager.cpp.o"
+	/usr/bin/c++ $(CXX_DEFINES) $(CXX_INCLUDES) $(CXX_FLAGS) -MD -MT CMakeFiles/unswsc.dir/TempFileManager.cpp.o -MF CMakeFiles/unswsc.dir/TempFileManager.cpp.o.d -o CMakeFiles/unswsc.dir/TempFileManager.cpp.o -c /home/unknownobject/UNSWebServerCore/TempFileManager.cpp
+
+CMakeFiles/unswsc.dir/TempFileManager.cpp.i: cmake_force
+	@$(CMAKE_COMMAND) -E cmake_echo_color "--switch=$(COLOR)" --green "Preprocessing CXX source to CMakeFiles/unswsc.dir/TempFileManager.cpp.i"
+	/usr/bin/c++ $(CXX_DEFINES) $(CXX_INCLUDES) $(CXX_FLAGS) -E /home/unknownobject/UNSWebServerCore/TempFileManager.cpp > CMakeFiles/unswsc.dir/TempFileManager.cpp.i
+
+CMakeFiles/unswsc.dir/TempFileManager.cpp.s: cmake_force
+	@$(CMAKE_COMMAND) -E cmake_echo_color "--switch=$(COLOR)" --green "Compiling CXX source to assembly CMakeFiles/unswsc.dir/TempFileManager.cpp.s"
+	/usr/bin/c++ $(CXX_DEFINES) $(CXX_INCLUDES) $(CXX_FLAGS) -S /home/unknownobject/UNSWebServerCore/TempFileManager.cpp -o CMakeFiles/unswsc.dir/TempFileManager.cpp.s
+
 # Object files for target unswsc
 unswsc_OBJECTS = \
 "CMakeFiles/unswsc.dir/CORSConfig.cpp.o" \
@@ -355,7 +369,8 @@ unswsc_OBJECTS = \
 "CMakeFiles/unswsc.dir/ServerCore.cpp.o" \
 "CMakeFiles/unswsc.dir/SafeRNG.cpp.o" \
 "CMakeFiles/unswsc.dir/HTTPObjects.cpp.o" \
-"CMakeFiles/unswsc.dir/PathTraversal.cpp.o"
+"CMakeFiles/unswsc.dir/PathTraversal.cpp.o" \
+"CMakeFiles/unswsc.dir/TempFileManager.cpp.o"
 
 # External object files for target unswsc
 unswsc_EXTERNAL_OBJECTS =
@@ -379,6 +394,7 @@ libunswsc.so: CMakeFiles/unswsc.dir/ServerCore.cpp.o
 libunswsc.so: CMakeFiles/unswsc.dir/SafeRNG.cpp.o
 libunswsc.so: CMakeFiles/unswsc.dir/HTTPObjects.cpp.o
 libunswsc.so: CMakeFiles/unswsc.dir/PathTraversal.cpp.o
+libunswsc.so: CMakeFiles/unswsc.dir/TempFileManager.cpp.o
 libunswsc.so: CMakeFiles/unswsc.dir/build.make
 libunswsc.so: /home/unknownobject/UNSWebServerCore/lib/libwebcc.a
 libunswsc.so: /home/unknownobject/UNSWebServerCore/so/libuohash.so
@@ -388,7 +404,7 @@ libunswsc.so: /home/unknownobject/vcpkg/installed/x64-linux/debug/lib/libcrypto.
 libunswsc.so: /home/unknownobject/vcpkg/installed/x64-linux/lib/libsodium.a
 libunswsc.so: /home/unknownobject/vcpkg/installed/x64-linux/lib/libjsoncpp.a
 libunswsc.so: CMakeFiles/unswsc.dir/link.txt
-	@$(CMAKE_COMMAND) -E cmake_echo_color "--switch=$(COLOR)" --green --bold --progress-dir=/home/unknownobject/UNSWebServerCore/build/CMakeFiles --progress-num=$(CMAKE_PROGRESS_20) "Linking CXX shared library libunswsc.so"
+	@$(CMAKE_COMMAND) -E cmake_echo_color "--switch=$(COLOR)" --green --bold --progress-dir=/home/unknownobject/UNSWebServerCore/build/CMakeFiles --progress-num=$(CMAKE_PROGRESS_21) "Linking CXX shared library libunswsc.so"
 	$(CMAKE_COMMAND) -E cmake_link_script CMakeFiles/unswsc.dir/link.txt --verbose=$(VERBOSE)
 
 # Rule to build all files generated by this target.

build/CMakeFiles/unswsc.dir/cmake_clean.cmake

@@ -33,6 +33,8 @@ file(REMOVE_RECURSE
   "CMakeFiles/unswsc.dir/SessionManager.cpp.o.d"
   "CMakeFiles/unswsc.dir/SyncFileReceiver.cpp.o"
   "CMakeFiles/unswsc.dir/SyncFileReceiver.cpp.o.d"
+  "CMakeFiles/unswsc.dir/TempFileManager.cpp.o"
+  "CMakeFiles/unswsc.dir/TempFileManager.cpp.o.d"
   "CMakeFiles/unswsc.dir/UNSResponseBuilder.cpp.o"
   "CMakeFiles/unswsc.dir/UNSResponseBuilder.cpp.o.d"
   "CMakeFiles/unswsc.dir/WebFileInfo.cpp.o"

build/CMakeFiles/unswsc.dir/link.txt

@@ -1 +1 @@
-/usr/bin/c++ -fPIC -O3 -DNDEBUG -shared -Wl,-soname,libunswsc.so -o libunswsc.so CMakeFiles/unswsc.dir/CORSConfig.cpp.o CMakeFiles/unswsc.dir/SessionManager.cpp.o CMakeFiles/unswsc.dir/WebFileInfo.cpp.o CMakeFiles/unswsc.dir/ServerProcessor.cpp.o CMakeFiles/unswsc.dir/CORSProcessor.cpp.o CMakeFiles/unswsc.dir/UNSResponseBuilder.cpp.o CMakeFiles/unswsc.dir/SyncFileReceiver.cpp.o CMakeFiles/unswsc.dir/DateTime.cpp.o CMakeFiles/unswsc.dir/IPTable.cpp.o CMakeFiles/unswsc.dir/IPList.cpp.o CMakeFiles/unswsc.dir/Global.cpp.o CMakeFiles/unswsc.dir/FileReceiver.cpp.o CMakeFiles/unswsc.dir/DataTransfer.cpp.o CMakeFiles/unswsc.dir/ServerLogger.cpp.o CMakeFiles/unswsc.dir/LogArg.cpp.o CMakeFiles/unswsc.dir/ServerCore.cpp.o CMakeFiles/unswsc.dir/SafeRNG.cpp.o CMakeFiles/unswsc.dir/HTTPObjects.cpp.o CMakeFiles/unswsc.dir/PathTraversal.cpp.o  -Wl,-rpath,/home/unknownobject/UNSWebServerCore/so /home/unknownobject/UNSWebServerCore/lib/libwebcc.a /home/unknownobject/UNSWebServerCore/so/libuohash.so /home/unknownobject/UNSWebServerCore/so/libutextcodec.so /home/unknownobject/vcpkg/installed/x64-linux/lib/libfmt.a /home/unknownobject/vcpkg/installed/x64-linux/debug/lib/libcrypto.a /home/unknownobject/vcpkg/installed/x64-linux/lib/libsodium.a -ldl /home/unknownobject/vcpkg/installed/x64-linux/lib/libjsoncpp.a 
+/usr/bin/c++ -fPIC -O3 -DNDEBUG -shared -Wl,-soname,libunswsc.so -o libunswsc.so CMakeFiles/unswsc.dir/CORSConfig.cpp.o CMakeFiles/unswsc.dir/SessionManager.cpp.o CMakeFiles/unswsc.dir/WebFileInfo.cpp.o CMakeFiles/unswsc.dir/ServerProcessor.cpp.o CMakeFiles/unswsc.dir/CORSProcessor.cpp.o CMakeFiles/unswsc.dir/UNSResponseBuilder.cpp.o CMakeFiles/unswsc.dir/SyncFileReceiver.cpp.o CMakeFiles/unswsc.dir/DateTime.cpp.o CMakeFiles/unswsc.dir/IPTable.cpp.o CMakeFiles/unswsc.dir/IPList.cpp.o CMakeFiles/unswsc.dir/Global.cpp.o CMakeFiles/unswsc.dir/FileReceiver.cpp.o CMakeFiles/unswsc.dir/DataTransfer.cpp.o CMakeFiles/unswsc.dir/ServerLogger.cpp.o CMakeFiles/unswsc.dir/LogArg.cpp.o CMakeFiles/unswsc.dir/ServerCore.cpp.o CMakeFiles/unswsc.dir/SafeRNG.cpp.o CMakeFiles/unswsc.dir/HTTPObjects.cpp.o CMakeFiles/unswsc.dir/PathTraversal.cpp.o CMakeFiles/unswsc.dir/TempFileManager.cpp.o  -Wl,-rpath,/home/unknownobject/UNSWebServerCore/so /home/unknownobject/UNSWebServerCore/lib/libwebcc.a /home/unknownobject/UNSWebServerCore/so/libuohash.so /home/unknownobject/UNSWebServerCore/so/libutextcodec.so /home/unknownobject/vcpkg/installed/x64-linux/lib/libfmt.a /home/unknownobject/vcpkg/installed/x64-linux/debug/lib/libcrypto.a /home/unknownobject/vcpkg/installed/x64-linux/lib/libsodium.a -ldl /home/unknownobject/vcpkg/installed/x64-linux/lib/libjsoncpp.a 

build/CMakeFiles/unswsc.dir/progress.make

@@ -18,4 +18,5 @@ CMAKE_PROGRESS_17 = 24
 CMAKE_PROGRESS_18 = 25
 CMAKE_PROGRESS_19 = 26
 CMAKE_PROGRESS_20 = 27
+CMAKE_PROGRESS_21 = 28
 

build/Makefile

@@ -606,6 +606,30 @@ SyncFileReceiver.cpp.s:
 	$(MAKE) $(MAKESILENT) -f CMakeFiles/unswsc.dir/build.make CMakeFiles/unswsc.dir/SyncFileReceiver.cpp.s
 .PHONY : SyncFileReceiver.cpp.s
 
+TempFileManager.o: TempFileManager.cpp.o
+.PHONY : TempFileManager.o
+
+# target to build an object file
+TempFileManager.cpp.o:
+	$(MAKE) $(MAKESILENT) -f CMakeFiles/unswsc.dir/build.make CMakeFiles/unswsc.dir/TempFileManager.cpp.o
+.PHONY : TempFileManager.cpp.o
+
+TempFileManager.i: TempFileManager.cpp.i
+.PHONY : TempFileManager.i
+
+# target to preprocess a source file
+TempFileManager.cpp.i:
+	$(MAKE) $(MAKESILENT) -f CMakeFiles/unswsc.dir/build.make CMakeFiles/unswsc.dir/TempFileManager.cpp.i
+.PHONY : TempFileManager.cpp.i
+
+TempFileManager.s: TempFileManager.cpp.s
+.PHONY : TempFileManager.s
+
+# target to generate assembly for a file
+TempFileManager.cpp.s:
+	$(MAKE) $(MAKESILENT) -f CMakeFiles/unswsc.dir/build.make CMakeFiles/unswsc.dir/TempFileManager.cpp.s
+.PHONY : TempFileManager.cpp.s
+
 TestLogger.o: TestLogger.cpp.o
 .PHONY : TestLogger.o
 
@@ -744,6 +768,9 @@ help:
 	@echo "... SyncFileReceiver.o"
 	@echo "... SyncFileReceiver.i"
 	@echo "... SyncFileReceiver.s"
+	@echo "... TempFileManager.o"
+	@echo "... TempFileManager.i"
+	@echo "... TempFileManager.s"
 	@echo "... TestLogger.o"
 	@echo "... TestLogger.i"
 	@echo "... TestLogger.s"

build/unswsc/FileReceiver.h

@@ -2,10 +2,10 @@
 #include "Global.h"
 #include "IPTable.h"
 #include <functional>
-#include "WebFileInfo.h"
 #include "HTTPObjects.h"
+#include "TempFileManager.h"
 
-using FileProcessorCallback = std::function<void(WebFileInfoVec, const std::string&)>;
+using FileProcessorCallback = std::function<void(TempFileManager&, const std::string&)>;
 
 class UNSWSC_DLL_EXPORT FileReceiver
 {
@@ -29,12 +29,19 @@ public:
 	uns::HTTPMethod GetMethod(uns::RequestPtr request);
 	void AppenedBlockedIP(DateTime::Span block_time, std::string ip);
 	bool WriteFile(const std::string& path, const std::string& bytes);
+	void SetFileTimeout(std::chrono::seconds timeout = 0s, std::chrono::seconds max_proc_timeout = 0s) noexcept;
 
 public:
+	// 请求信息预检，重载以在保存文件之前检查请求体
 	virtual uns::Status PreCheckRequest(uns::RequestPtr request) = 0;
+	// 表单预检，重载以在处理表单前检查表单
 	virtual bool PreCheckForm(uns::FormPartPtr form) = 0;
+	// 路径穿越配置，重载以配置允许的路径穿越类型
 	virtual uns::PathTraversalDefenceLevel PTDefence();
+	// 路径穿越防护，重载以实现路径穿越检查，配置为AutoNormalize或AllowNormal时必须，否则自动退化为DenyAll
 	virtual bool IsPathSafe(const std::string& raw_path);
+	// 请求头预检，重载以实现在接收请求体之前检查请求头，返回false则服务器将强制关闭连接
+	virtual bool IsHeaderValid(uns::RequestPtr request);
 	
 public:
 	// 核心驱动入口：供内部适配器调用的实际执行流

build/unswsc/Global.h

@@ -2,6 +2,7 @@
 #include <map>
 #include <string>
 #include <vector>
+#include <optional>
 #include "Export.h"
 #include "DateTime.h"
 
@@ -35,6 +36,11 @@ constexpr auto G_ERROR_PAGE = R"(
 
 // inline constexpr std::string_view G_HTTP_STD_WEEK[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
 
+namespace Json
+{
+	class Value;
+}
+
 namespace uns
 {
 	enum HTTPMethod
@@ -65,6 +71,8 @@ namespace uns
 		inline constexpr std::string_view resh_acma = "Access-Control-Max-Age";
 	};
 
+	inline constexpr auto url_all = R"(/[\s\S]*)";
+
 	using POSTArgs = std::map<std::string, std::string>;
 
 	std::string UNSWSC_DLL_EXPORT EncodeErrorPage(int code);
@@ -93,6 +101,23 @@ namespace uns
 		std::string UNSWSC_DLL_EXPORT ToLower(const std::string& s);
 
 		std::string UNSWSC_DLL_EXPORT CalculateFileHashSHA256(const std::string& file);
+
+		Json::Value UNSWSC_DLL_EXPORT SafeJsonDecode(const std::string& str);
+
+		template <typename T, typename CharT = char>
+		std::optional<T> UNSWSC_DLL_EXPORT SafeStoX(const std::basic_string<CharT>& str, std::size_t* pos = nullptr, int base = 10);
+		template <typename T, typename CharT = char>
+		std::optional<T> UNSWSC_DLL_EXPORT SafeStoX(std::basic_string_view<CharT> str, std::size_t* pos = nullptr, int base = 10);
+		template <typename T, typename CharT>
+		inline std::optional<T> SafeStoX(const CharT* str, std::size_t* pos = nullptr, int base = 10)
+		{
+#if defined(__cpp_char8_t)
+			if constexpr (std::is_same_v<CharT, char8_t>)
+				return SafeStoX<T>(std::basic_string<char>(reinterpret_cast<const char*>(str)), pos, base);	// 只有 u8"..." (char8_t) 强制转为 char 版本的 SafeStoX 处理
+			else
+#endif
+				return SafeStoX<T>(std::basic_string<CharT>(str), pos, base);	// 普通 "..." (char) 和 L"..." (wchar_t) 保持各自类型，构造对应的 basic_string
+		}
 	}
 
 	namespace secure

build/unswsc/LogArg.h

@@ -6,6 +6,7 @@
 #include <variant>
 #include "Export.h"
 #include <functional>
+#include <filesystem>
 #include <string_view>
 #include <type_traits>
 
@@ -217,6 +218,8 @@ namespace uns
 			else if constexpr (std::is_pointer_v<D>)
 				value = static_cast<const void*>(val);
 			// 7. 标准库容器（关键点：利用 Lambda 闭包在不引入 fmt 的情况下擦除容器类型！）
+			else if constexpr (std::is_same<D, std::filesystem::path>::value)
+				value = ConvertWStringToUtf8(val.generic_wstring());
 			else if constexpr (is_container<D>::value)
 			{
 				value = RangeCapturer{ &val, [] (const void* p, std::vector<LogArg>& out)

build/unswsc/ServerCore.h

@@ -1,4 +1,4 @@
-/*
+/*
 *	Unknown Network Service Web Server Core
 *	Version 1.2.2
 * 

build/unswsc/ServerProcessor.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 #include "Global.h"
 #include "Export.h"
 #include "IPTable.h"
@@ -23,9 +23,14 @@ public:
 	void AddStreamSettings(std::string method, bool stream);
 
 public:
+	// 主接口，重载以实现对请求的处理
 	virtual uns::ResponsePtr Processor(uns::RequestPtr request) = 0;
+	// 路径穿越配置，重载以配置允许的路径穿越类型
 	virtual uns::PathTraversalDefenceLevel PTDefence();
+	// 路径穿越防护，重载以实现路径穿越检查，配置为AutoNormalize或AllowNormal时必须，否则自动退化为DenyAll
 	virtual bool IsPathSafe(const std::string& raw_path);
+	// 请求头预检，重载以实现在接收请求体之前检查请求头，返回false则服务器将强制关闭连接
+	virtual bool IsHeaderValid(uns::RequestPtr request);
 
 public:
 	uns::ResponsePtr Handle(uns::RequestPtr request);

build/unswsc/SyncFileReceiver.h

@@ -1,9 +1,11 @@
-#pragma once
+#pragma once
 #include "Export.h"
 #include "Global.h"
 #include "IPTable.h"
-#include "WebFileInfo.h"
 #include "HTTPObjects.h"
+#include "TempFileManager.h"
+
+using SFR_FileMap = std::map<std::string, std::string>;
 
 class UNSWSC_DLL_EXPORT SyncFileReceiver
 {
@@ -25,16 +27,22 @@ public:
 	uns::HTTPMethod GetMethod(uns::RequestPtr request);
 	void AppenedBlockedIP(DateTime::Span block_time, std::string ip);
 	bool WriteFile(const std::string& path, const std::string& bytes);
+	void SetFileTimeout(std::chrono::seconds timeout = 0s, std::chrono::seconds max_proc_timeout = 0s) noexcept;
 
 public:
+	// 请求信息预检，重载以在保存文件之前检查请求体
 	virtual uns::Status PreCheckRequest(uns::RequestPtr request) = 0;
+	// 表单预检，重载以在处理表单前检查表单
 	virtual bool PreCheckForm(uns::FormPartPtr form) = 0;
+	// 路径穿越配置，重载以配置允许的路径穿越类型
 	virtual uns::PathTraversalDefenceLevel PTDefence();
+	// 路径穿越防护，重载以实现路径穿越检查，配置为AutoNormalize或AllowNormal时必须，否则自动退化为DenyAll
 	virtual bool IsPathSafe(const std::string& raw_path);
+	// 请求头预检，重载以实现在接收请求体之前检查请求头，返回false则服务器将强制关闭连接
+	virtual bool IsHeaderValid(uns::RequestPtr request);
 
-	// 【修改】由原先的 Callback 改为可供子类重写的虚函数
+	// 主接口，重载以接收并处理文件
-	// 返回值改为 webcc::ResponsePtr，并且引入 request 参数以便子类调用 AutoCORS 或解析请求头
+	virtual uns::ResponsePtr ProcessFiles(TempFileManager& file_info, SFR_FileMap file_map, const std::string& tmp_root, uns::RequestPtr request);
-	virtual uns::ResponsePtr ProcessFiles(const WebFileInfoVec& file_info, const std::string& tmp_root, uns::RequestPtr request);
 
 public:
 	uns::ResponsePtr Execute(uns::RequestPtr request);

build/unswsc/TempFileManager.h

@@ -0,0 +1,47 @@
+#pragma once
+#include <map>
+#include <string>
+#include <chrono>
+#include <memory>
+#include "Export.h"
+#include "WebFileInfo.h"
+
+using std::chrono::operator""s;
+using std::chrono::operator""min;
+
+class UNSWSC_DLL_EXPORT TempFileManager
+{
+private:
+	class Impl;
+
+	std::unique_ptr<Impl> pimpl;
+
+public:
+	TempFileManager() noexcept;
+	~TempFileManager() noexcept;
+
+	// 禁止拷贝与移动
+	TempFileManager(const TempFileManager&) = delete;
+	TempFileManager& operator=(const TempFileManager&) = delete;
+	TempFileManager(TempFileManager&&) = delete;
+	TempFileManager& operator=(TempFileManager&&) = delete;
+
+	// 基础业务接口（保持不变）
+	bool SetBaseDirectory(std::string dir) noexcept;
+	bool RegisterFile(const WebFileInfo& info, std::chrono::seconds timeout, std::chrono::seconds max_proc_timeout = std::chrono::seconds(0)) noexcept;
+	bool InvalidateFile(const WebFileInfo& info);
+	//For SFR_FileMap<OriginFileName, StorageFileName>
+	bool InvalidateFile(const std::map<std::string, std::string>& info);
+	bool CopyFileTo(const std::string& storage_name, const std::string& dest_absolute_path) noexcept;
+	bool CutFileTo(const std::string& storage_name, const std::string& dest_absolute_path) noexcept;
+	bool RenameFile(const std::string& old_storage_name, const std::string& new_storage_name) noexcept;
+	bool DeleteFile(const std::string& storage_name) noexcept;
+	bool ActiveFile(const std::string& storage_name) noexcept;
+	bool DeactiveFile(const std::string& storage_name) noexcept;
+	bool SetPermanent(const std::string& storage_name, bool permanent) noexcept;
+	bool FileExists(const std::string& storage_name) const noexcept;
+	bool GetFileInfo(const std::string& storage_name, WebFileInfo& out_info) const noexcept;
+	size_t GetFileCount() const noexcept;
+	// 获取当前所有管理中的文件信息快照（线程安全，绝不抛出异常）
+	std::vector<WebFileInfo> GetAllFileInfos() const noexcept;
+};

build/unswsc/WebFileInfo.h

@@ -31,6 +31,10 @@ public:
 	std::string GetExtensionName() const;
 	DateTime GetUploadTime() const;
 	size_t GetFileSize() const;
+
+public:
+	void SetStorageFileName(const std::string& sfn);
+	void SetOriginalFileName(const std::string& ofn);
 };
 
 using WebFileInfoVec = std::vector<WebFileInfo>;

webcc/webcc/common.h

@@ -9,23 +9,34 @@
 #include "webcc/fs.h"
 #include "webcc/globals.h"
 
-namespace webcc {
+namespace webcc
+{
 
 // -----------------------------------------------------------------------------
 
-using Header = std::pair<std::string, std::string>;
+	using Header = std::pair<std::string, std::string>;
 
-class Headers {
+	class Headers
-public:
+	{
-  std::size_t size() const {
+//fix core dumped
+	public:
+		Headers() : headers_()
+		{
+
+		}
+	public:
+		std::size_t size() const
+		{
 			return headers_.size();
 		}
 
-  bool empty() const {
+		bool empty() const
+		{
 			return headers_.empty();
 		}
 
-  const std::vector<Header>& data() const {
+		const std::vector<Header>& data() const
+		{
 			return headers_;
 		}
 
@@ -34,7 +45,8 @@ public:
 		bool Has(string_view key) const;
 
 		// Get header by index.
-  const Header& Get(std::size_t index) const {
+		const Header& Get(std::size_t index) const
+		{
 			assert(index < size());
 			return headers_[index];
 		}
@@ -44,24 +56,26 @@ public:
 		// optional |existed| parameter will be set to false.
 		const std::string& Get(string_view key, bool* existed = nullptr) const;
 
-  void Clear() {
+		void Clear()
+		{
 			headers_.clear();
 		}
 
-private:
+	private:
 		std::vector<Header>::iterator Find(string_view key);
 
 		std::vector<Header> headers_;
-};
+	};
 
-// -----------------------------------------------------------------------------
+	// -----------------------------------------------------------------------------
 
-// Content-Type header.
+	// Content-Type header.
-// Syntax:
+	// Syntax:
-//   Content-Type: text/html; charset=utf-8
+	//   Content-Type: text/html; charset=utf-8
-//   Content-Type: multipart/form-data; boundary=something
+	//   Content-Type: multipart/form-data; boundary=something
-class ContentType {
+	class ContentType
-public:
+	{
+	public:
 		explicit ContentType(string_view str = "");
 
 		void Parse(string_view str);
@@ -70,76 +84,86 @@ public:
 
 		bool Valid() const;
 
-  bool multipart() const {
+		bool multipart() const
+		{
 			return multipart_;
 		}
 
-  const std::string& media_type() const {
+		const std::string& media_type() const
+		{
 			return media_type_;
 		}
 
-  const std::string& charset() const {
+		const std::string& charset() const
+		{
 			assert(!multipart_);
 			return additional_;
 		}
 
-  const std::string& boundary() const {
+		const std::string& boundary() const
+		{
 			assert(multipart_);
 			return additional_;
 		}
 
-private:
+	private:
 		void Init(string_view str);
 
-private:
+	private:
 		std::string media_type_;
 		std::string additional_;
 		bool multipart_ = false;
-};
+	};
 
-// -----------------------------------------------------------------------------
+	// -----------------------------------------------------------------------------
 
-// Content-Disposition header.
+	// Content-Disposition header.
-// Syntax:
+	// Syntax:
-//   Content-Disposition: form-data
+	//   Content-Disposition: form-data
-//   Content-Disposition: form-data; name="fieldName"
+	//   Content-Disposition: form-data; name="fieldName"
-//   Content-Disposition: form-data; name="fieldName"; filename="filename.jpg"
+	//   Content-Disposition: form-data; name="fieldName"; filename="filename.jpg"
-// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Disposition
+	// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Disposition
-class ContentDisposition {
+	class ContentDisposition
-public:
+	{
-  explicit ContentDisposition(string_view str) {
+	public:
+		explicit ContentDisposition(string_view str)
+		{
 			valid_ = Init(str);
 		}
 
-  bool valid() const {
+		bool valid() const
+		{
 			return valid_;
 		}
 
-  const std::string& name() const {
+		const std::string& name() const
+		{
 			return name_;
 		}
 
-  const std::string& file_name() const {
+		const std::string& file_name() const
+		{
 			return file_name_;
 		}
 
-private:
+	private:
 		bool Init(string_view str);
 
-private:
+	private:
 		std::string name_;
 		std::string file_name_;
 		bool valid_ = false;
-};
+	};
 
-// -----------------------------------------------------------------------------
+	// -----------------------------------------------------------------------------
 
-class FormPart;
+	class FormPart;
-using FormPartPtr = std::shared_ptr<FormPart>;
+	using FormPartPtr = std::shared_ptr<FormPart>;
 
-// A part of the multipart form data.
+	// A part of the multipart form data.
-class FormPart {
+	class FormPart
-public:
+	{
+	public:
 		FormPart() = default;
 
 		FormPart(const FormPart&) = delete;
@@ -158,43 +182,53 @@ public:
 		static FormPartPtr NewFile(string_view name, const fs::path& path,
 								   string_view media_type = "");
 
+		void ReserveData(std::size_t capacity);
+
 		// API: SERVER
-  const std::string& name() const {
+		const std::string& name() const
+		{
 			return name_;
 		}
 
 		// API: SERVER/PARSER
-  void set_name(const std::string& name) {
+		void set_name(const std::string& name)
+		{
 			name_ = name;
 		}
 
 		// API: SERVER
-  const std::string& file_name() const {
+		const std::string& file_name() const
+		{
 			return file_name_;
 		}
 
 		// API: SERVER/PARSER
-  void set_file_name(const std::string& file_name) {
+		void set_file_name(const std::string& file_name)
+		{
 			file_name_ = file_name;
 		}
 
 		// API: SERVER
-  const std::string& media_type() const {
+		const std::string& media_type() const
+		{
 			return media_type_;
 		}
 
 		// API: SERVER
-  const std::string& data() const {
+		const std::string& data() const
+		{
 			return data_;
 		}
 
 		// API: SERVER/PARSER
-  void AppendData(const std::string& data) {
+		void AppendData(const std::string& data)
+		{
 			data_.append(data);
 		}
 
 		// API: SERVER/PARSER
-  void AppendData(const char* data, std::size_t count) {
+		void AppendData(const char* data, std::size_t count)
+		{
 			data_.append(data, count);
 		}
 
@@ -214,11 +248,11 @@ public:
 		// Dump to output stream for logging purpose.
 		void Dump(std::ostream& os, string_view prefix) const;
 
-private:
+	private:
 	  // Generate headers from properties.
 		void SetHeaders();
 
-private:
+	private:
 	  // The <input> name within the original HTML form.
 	  // E.g., given HTML form:
 	  //   <input name="file1" type="file">
@@ -243,7 +277,9 @@ private:
 		Headers headers_;
 
 		std::string data_;
-};
+	};
+
+	inline std::size_t g_max_multipart_size = 1024 * 1024 * 1024;
 
 }  // namespace webcc
 

webcc/webcc/connection.h

@@ -1,4 +1,4 @@
-#ifndef WEBCC_CONNECTION_H_
+#ifndef WEBCC_CONNECTION_H_
 #define WEBCC_CONNECTION_H_
 
 #include <memory>
@@ -101,6 +101,9 @@ private:
 
   // The response to be sent back to the client.
   ResponsePtr response_;
+
+  // 标识是否检查过请求头
+  bool header_validated_ = false;
 };
 
 }  // namespace webcc

webcc/webcc/globals.h

@@ -1,4 +1,4 @@
-#ifndef WEBCC_GLOBALS_H_
+#ifndef WEBCC_GLOBALS_H_
 #define WEBCC_GLOBALS_H_
 
 #include <cassert>
@@ -175,7 +175,7 @@ enum Status {
   kProxyAuthenticationRequired = 407,
   // 某些服务器会在空闲连接上发送此响应，即使客户端之前没有任何请求。这意味着服务器希望关闭此未使用的连接。
   kRequestTimeout = 408,
-  // 当请求与服务器的当前状态冲突时，发送此响应。
+  // 当请求与服务器的当前状态冲突时，发送此响应。在
   kConflict = 409,
   // 当请求的内容已从服务器永久删除，且没有转发地址时，发送此响应。
   kGone = 410,

webcc/webcc/request_parser.h

@@ -1,27 +1,41 @@
-#ifndef WEBCC_REQUEST_PARSER_H_
+#ifndef WEBCC_REQUEST_PARSER_H_
 #define WEBCC_REQUEST_PARSER_H_
 
 #include <functional>
 #include <string>
 
 #include "webcc/parser.h"
+#include "webcc/view.h"
 
-namespace webcc {
+namespace webcc
+{
 
-using ViewMatcher =
+	using ViewMatcher =
-    std::function<bool(const std::string&, const std::string&, bool*)>;
+		std::function<bool(const std::string&, const std::string&, bool*, ViewPtr*)>;
 
-class Request;
+	class Request;
 
-class RequestParser : public Parser {
+	class RequestParser : public Parser
-public:
+	{
+	public:
 		RequestParser();
 
 		~RequestParser() override = default;
 
 		void Init(Request* request, ViewMatcher view_matcher);
 
-private:
+		// 【新增】：检查 Header 是否已解析完毕
+		bool IsHeaderParsed() const
+		{
+			return header_parsed_;
+		}
+
+		ViewPtr MatchedView() const
+		{
+			return matched_view_;
+		}
+
+	private:
 	  // Override to match the URL against views and check if the matched view
 	  // asks for data streaming.
 		bool OnHeadersEnd() override;
@@ -41,7 +55,7 @@ private:
 		bool IsBoundary(const std::string& str, std::size_t off,
 						std::size_t count, bool* end = nullptr) const;
 
-private:
+	private:
 	  // The result request message.
 		Request* request_ = nullptr;
 
@@ -50,7 +64,8 @@ private:
 		ViewMatcher view_matcher_;
 
 		// Form data parsing steps.
-  enum class Step {
+		enum class Step
+		{
 			kStart,
 			kBoundaryParsed,
 			kHeadersParsed,
@@ -64,7 +79,13 @@ private:
 
 		// All form parts parsed.
 		std::vector<FormPartPtr> form_parts_;
-};
+
+		// 【新增】：Header 解析完成标志
+		bool header_parsed_ = false;
+
+		// View映射（用于请求头检查）
+		ViewPtr matched_view_ = nullptr;
+	};
 
 }  // namespace webcc
 

webcc/webcc/router.h

@@ -32,7 +32,7 @@ public:
   // Return if a view is matched or not.
   // If the view asks for data streaming, |stream| will be set to true.
   bool MatchView(const std::string& method, const std::string& url,
-                 bool* stream);
+                 bool* stream, ViewPtr* out_view = nullptr);
 
   // Direct access for ViewPtr pointers.
   // This can be used as server-based ip block/condiction checks

webcc/webcc/server.h

@@ -16,10 +16,14 @@
 #include "webcc/router.h"
 #include "webcc/url.h"
 
-namespace webcc {
+namespace webcc
+{
 
-class Server : public Router {
+	using HeaderValidator = std::function<bool(const RequestPtr&)>;
-public:
+
+	class Server : public Router
+	{
+	public:
 		Server(boost::asio::ip::tcp protocol, std::uint16_t port,
 			   const fs::path& doc_root = {});
 
@@ -28,13 +32,16 @@ public:
 
 		~Server() = default;
 
-  void set_buffer_size(std::size_t buffer_size) {
+		void set_buffer_size(std::size_t buffer_size)
-    if (buffer_size > 0) {
+		{
+			if (buffer_size > 0)
+			{
 				buffer_size_ = buffer_size;
 			}
 		}
 
-  void set_file_chunk_size(std::size_t file_chunk_size) {
+		void set_file_chunk_size(std::size_t file_chunk_size)
+		{
 			assert(file_chunk_size > 0);
 			file_chunk_size_ = file_chunk_size;
 		}
@@ -64,7 +71,7 @@ public:
 		// webcc Added by UnknownObject at 2022-09-04
 		void SetDefaultServerName(std::string server_name);
 
-private:
+	private:
 	  // Register signals which indicate when the server should exit.
 		void AddSignals();
 
@@ -98,12 +105,12 @@ private:
 		// Return if a view or static file is matched or not.
 		// If the view asks for data streaming, |stream| will be set to true.
 		bool MatchViewOrStatic(const std::string& method, const std::string& url,
-                         bool* stream);
+							   bool* stream, ViewPtr* out_view = nullptr);
 
 		// Serve static files from the doc root.
 		ResponsePtr ServeStatic(RequestPtr request);
 
-private:
+	private:
 	  // tcp::v4() or tcp::v6()
 		boost::asio::ip::tcp protocol_;
 
@@ -147,7 +154,7 @@ private:
 		// For High-Level api deleloper: to set the default server name insteaed of webcc
 		// Added by UnknownObject at 2022-09-04
 		std::string server_name__;
-};
+	};
 
 }  // namespace webcc
 

webcc/webcc/view.h

@@ -1,4 +1,4 @@
-#ifndef WEBCC_VIEW_H_
+#ifndef WEBCC_VIEW_H_
 #define WEBCC_VIEW_H_
 
 #include <memory>
@@ -25,6 +25,14 @@ public:
   virtual bool Stream(const std::string& /*method*/) {
     return false;  // No streaming by default
   }
+
+  // 【核心新增】：请求头预校验虚函数
+  // 当 Header 刚解析完毕、尚未接收 Body 时触发。
+  // 返回 true 继续接收数据；返回 false 强行 RST 切断连接。
+  virtual bool ValidateHeader(RequestPtr /*request*/)
+  {
+      return true;  // 默认不校验，全放行
+  }
 };
 
 using ViewPtr = std::shared_ptr<View>;