version.go

/*
Copyright © 2025 Seednode <seednode@seedno.de>
*/

package main

import (
	"fmt"
	"net/http"
	"strconv"
	"sync"
	"time"

	"github.com/julienschmidt/httprouter"
)

func serveVersion(errorChannel chan<- Error) httprouter.Handle {
	return func(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
		data := []byte(fmt.Sprintf("query v%s\n", ReleaseVersion))

		w.Header().Set("Content-Type", "text/plain;charset=UTF-8")

		w.Header().Set("Content-Length", strconv.Itoa(len(data)))

		securityHeaders(w)

		if verbose {
			fmt.Printf("%s | %s => %s\n",
				time.Now().Format(timeFormats["RFC3339"]),
				realIP(r, true),
				r.RequestURI)
		}

		_, err := w.Write(data)
		if err != nil {
			errorChannel <- Error{Message: err, Path: "serveVersion()"}
		}
	}
}

func registerVersion(mux *httprouter.Router, usage *sync.Map, errorChannel chan<- Error) {
	const module = "version"

	mux.GET("/version/", serveVersion(errorChannel))

	usage.Store(module, []string{
		"/version/",
	})
}