admin

var ApiFuncs = map[string]ApiFunc{
	"generate": Generate,
	"decrypt":  Decrypt,
}

var GetHttpHandle = func() http.Handler {
	root, _ := fs.Sub(Webfs, "dist")
	fileServer := http.FileServer(http.FS(root))
	indexHtml, _ := Webfs.ReadFile("dist/index.html")
	indexHtmlStr := string(indexHtml)
	variables := map[string]string{
		"ROOTPATH": flags.Rootpath,
		"PREFIX":   flags.Prefix,
		"ENV":      "production",
		"VERSION":  version.Version,
	}
	marker := "; //__"
	endmarker := "__"
	variableRegex := regexp.MustCompile(`".*?"` + regexp.QuoteMeta(marker) +
		`([A-Z][_A-Z0-9]*?)` + regexp.QuoteMeta(endmarker))
	indexHtmlStr = variableRegex.ReplaceAllStringFunc(indexHtmlStr, func(s string) string {
		i := strings.Index(s, marker)
		j := strings.LastIndex(s, endmarker)
		variable := s[i+len(marker) : j]
		if value, ok := variables[variable]; ok {
			return fmt.Sprintf(`%q%s`, value, s[i:])
		}
		return s
	})
	indexHtml = []byte(indexHtmlStr)
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("WWW-Authenticate", `Basic realm="website"`)
		if flags.Cors {
			w.Header().Set("Access-Control-Allow-Origin", "*")
		}
		if flags.Pass != "" {
			username, password, ok := r.BasicAuth()
			if !ok || username != flags.User || password != flags.Pass {
				w.WriteHeader(401)
				w.Write([]byte("Unauthorized"))
				return
			}
		}
		path := strings.TrimPrefix(r.URL.Path, "/")
		f, err := root.Open(path)
		if err == nil {
			defer f.Close()
		}
		if path == "api" {
			apiHandler(w, r)
			return
		}
		if path == "" || os.IsNotExist(err) {
			w.Write(indexHtml)
			return
		}
		fileServer.ServeHTTP(w, r)
	})
}

var Webfs embed.FS