iphone usually has upper cased .JPG extension

refactor

go/storage/needle.go

@@ -2,6 +2,7 @@ package storage
 
 import (
 	"code.google.com/p/weed-fs/go/glog"
+	"code.google.com/p/weed-fs/go/images"
 	"code.google.com/p/weed-fs/go/util"
 	"encoding/hex"
 	"errors"
@@ -93,7 +94,7 @@ func ParseUpload(r *http.Request) (fileName string, data []byte, mimeType string
 	modifiedTime, _ = strconv.ParseUint(r.FormValue("ts"), 10, 64)
 	return
 }
-func NewNeedle(r *http.Request) (n *Needle, e error) {
+func NewNeedle(r *http.Request, fixJpgOrientation bool) (n *Needle, e error) {
 	fname, mimeType, isGzipped := "", "", false
 	n = new(Needle)
 	fname, n.Data, mimeType, isGzipped, n.LastModified, e = ParseUpload(r)
@@ -116,6 +117,10 @@ func NewNeedle(r *http.Request) (n *Needle, e error) {
 	}
 	n.SetHasLastModifiedDate()
 
+	if fixJpgOrientation && strings.HasSuffix(strings.ToLower(string(n.Name)), ".jpg") {
+		n.Data = images.FixJpgOrientation(n.Data)
+	}
+
 	n.Checksum = NewCRC(n.Data)
 
 	commaSep := strings.LastIndex(r.URL.Path, ",")

go/weed/weed_server/volume_server_handlers.go

@@ -150,16 +150,12 @@ func (vs *VolumeServer) PostHandler(w http.ResponseWriter, r *http.Request) {
 		writeJsonError(w, r, ve)
 		return
 	}
-	needle, ne := storage.NewNeedle(r)
+	needle, ne := storage.NewNeedle(r, vs.FixJpgOrientation)
 	if ne != nil {
 		writeJsonError(w, r, ne)
 		return
 	}
 
-	if vs.FixJpgOrientation && strings.HasSuffix(string(needle.Name), ".jpg") {
-		needle.Data = images.FixJpgOrientation(needle.Data)
-	}
-
 	ret := operation.UploadResult{}
 	size, errorStatus := topology.ReplicatedWrite(vs.masterNode, vs.store, volumeId, needle, r)
 	if errorStatus == "" {