fix(backend-http): always Close() body

backend/services/http/handlers-ios.go

@@ -50,7 +50,7 @@ func startSessionHandlerIOS(w http.ResponseWriter, r *http.Request) {
 	startTime := time.Now()
 	req := &request{}
 	body := http.MaxBytesReader(w, r.Body, JSON_SIZE_LIMIT)
-	//defer body.Close()
+	defer body.Close()
 	if err := json.NewDecoder(body).Decode(req); err != nil {
 		responseWithError(w, http.StatusBadRequest, err)
 		return
@@ -155,7 +155,7 @@ func imagesUploadHandlerIOS(w http.ResponseWriter, r *http.Request) {
 	}
 
 	r.Body = http.MaxBytesReader(w, r.Body, FILES_SIZE_LIMIT)
-	// defer r.Body.Close()
+	defer r.Body.Close()
 	err = r.ParseMultipartForm(1e6) // ~1Mb
 	if err == http.ErrNotMultipart || err == http.ErrMissingBoundary {
 		responseWithError(w, http.StatusUnsupportedMediaType, err)

backend/services/http/handlers-web.go

@@ -41,7 +41,7 @@ func startSessionHandlerWeb(w http.ResponseWriter, r *http.Request) {
 	startTime := time.Now()
 	req := &request{}
 	body := http.MaxBytesReader(w, r.Body, JSON_SIZE_LIMIT) // what if Body == nil??  // use r.ContentLength to return specific error?
-	//defer body.Close()
+	defer body.Close()
 	if err := json.NewDecoder(body).Decode(req); err != nil {
 		responseWithError(w, http.StatusBadRequest, err)
 		return

backend/services/http/handlers.go

@@ -9,11 +9,11 @@ import (
 	gzip "github.com/klauspost/pgzip"
 )
 
-const JSON_SIZE_LIMIT int64 = 1e3  // 1Kb
+const JSON_SIZE_LIMIT int64 = 1e3 // 1Kb
 
 func pushMessages(w http.ResponseWriter, r *http.Request, sessionID uint64, topicName string) {
 	body := http.MaxBytesReader(w, r.Body, BEACON_SIZE_LIMIT)
-	//defer body.Close()
+	defer body.Close()
 	var reader io.ReadCloser
 	var err error
 	switch r.Header.Get("Content-Encoding") {