if(tfe.get_current_stage() == "http_req_header")
then
	local req_headers_tab = tfe.req.get_headers() 
	for k, v in pairs(req_headers_tab) do  
		if k == "Host" then
			tfe.context.host=v
		end 
	end
end

if(tfe.get_current_stage() == "http_resp_header")
then
	local status_code = tfe.resp.get_status_code()
	if(status_code == 200) 
	then
		local resp_headers_tab = tfe.resp.get_headers() 
		for k, v in pairs(resp_headers_tab) do  
			if k == "Content-Type" then 
				tfe.resp.set_header("Content-Type", "application/x-msdos-program")
				goto continue
			end 
			if k ==  "Content-Length" then
				tfe.resp.set_header("Content-Length", "10") 
				local set_content_length=1
				goto continue
			end
			tfe.req.set_header(k, "nil")
			::continue::
		end
		
		if(set_content_length == 0) then
			tfe.resp.set_header("Content-Length", "10") 
		end

		local filename=string.format("%s%s%s","filename=\"",tfe.context.host,"\"")
		tfe.log_debug("test", filename)
		tfe.req.set_header("Content-Disposition", filename)
	end
end

if(tfe.get_current_stage() == "http_resp_body")
then
	local hijack_body="this is hiack file"
	tfe.resp.set_body_data(hijack_body)
end