more semantic config upload

cmd/dkl-local-server/ws-configs.go

@@ -1,20 +1,32 @@
 package main
 
 import (
+	"bytes"
 	"compress/gzip"
 	"io"
 	"os"
 	"path/filepath"
 
 	restful "github.com/emicklei/go-restful"
+	"gopkg.in/yaml.v2"
+	"m.cluseau.fr/go/httperr"
+	"novit.tech/direktil/pkg/localconfig"
 )
 
 func wsUploadConfig(req *restful.Request, resp *restful.Response) {
-	body := req.Request.Body
+	cfg := &localconfig.Config{}
+	if err := req.ReadEntity(cfg); err != nil {
+		wsError(resp, httperr.BadRequest(err.Error()))
+		return
+	}
 
-	err := writeNewConfig(body)
-	body.Close()
+	cfgBytes, err := yaml.Marshal(cfg)
+	if err != nil {
+		wsError(resp, err)
+		return
+	}
 
+	err = writeNewConfig(cfgBytes)
 	if err != nil {
 		wsError(resp, err)
 		return
@@ -23,7 +35,7 @@ func wsUploadConfig(req *restful.Request, resp *restful.Response) {
 	resp.WriteEntity(true)
 }
 
-func writeNewConfig(reader io.Reader) (err error) {
+func writeNewConfig(cfgBytes []byte) (err error) {
 	out, err := os.CreateTemp(*dataDir, ".config-upload")
 	if err != nil {
 		return
@@ -31,7 +43,7 @@ func writeNewConfig(reader io.Reader) (err error) {
 
 	defer os.Remove(out.Name())
 
-	_, err = io.Copy(out, reader)
+	_, err = io.Copy(out, bytes.NewReader(cfgBytes))
 	out.Close()
 	if err != nil {
 		return