https://telecominfraproject.atlassian.net/browse/WIFI-11303

Signed-off-by: stephb9959 <stephane.bourque@gmail.com>

src/framework/RESTAPI_PartHandler.h

@@ -0,0 +1,66 @@
+//
+// Created by stephane bourque on 2022-10-26.
+//
+
+#pragma once
+
+#include <string>
+#include "Poco/Net/PartHandler.h"
+#include "Poco/Net/MessageHeader.h"
+#include "Poco/CountingStream.h"
+#include "Poco/NullStream.h"
+#include "Poco/StreamCopier.h"
+
+namespace OpenWifi {
+	class RESTAPI_PartHandler: public Poco::Net::PartHandler {
+	  public:
+		RESTAPI_PartHandler():
+								_length(0)
+		{
+		}
+
+		inline void handlePart(const Poco::Net::MessageHeader& header, std::istream& stream) override
+		{
+			_type = header.get("Content-Type", "(unspecified)");
+			if (header.has("Content-Disposition"))
+			{
+				std::string disp;
+				Poco::Net::NameValueCollection params;
+				Poco::Net::MessageHeader::splitParameters(header["Content-Disposition"], disp, params);
+				_name = params.get("name", "(unnamed)");
+				_fileName = params.get("filename", "(unnamed)");
+			}
+
+			Poco::CountingInputStream istr(stream);
+			Poco::NullOutputStream ostr;
+			Poco::StreamCopier::copyStream(istr, ostr);
+			_length = (int)istr.chars();
+		}
+
+		[[nodiscard]] inline int length() const
+		{
+			return _length;
+		}
+
+		[[nodiscard]] inline const std::string& name() const
+		{
+			return _name;
+		}
+
+		[[nodiscard]] inline const std::string& fileName() const
+		{
+			return _fileName;
+		}
+
+		[[nodiscard]] inline const std::string& contentType() const
+		{
+			return _type;
+		}
+
+	  private:
+		int _length;
+		std::string _type;
+		std::string _name;
+		std::string _fileName;
+	};
+}