auth for presigned put operation

weed/s3api/s3api_object_handlers.go

@@ -45,8 +45,13 @@ func (s3a *S3ApiServer) PutObjectHandler(w http.ResponseWriter, r *http.Request)
 	rAuthType := getRequestAuthType(r)
 	dataReader := r.Body
 	var s3ErrCode ErrorCode
-	if rAuthType == authTypeStreamingSigned {
+	switch rAuthType {
+	case authTypeStreamingSigned:
 		dataReader, s3ErrCode = s3a.iam.newSignV4ChunkedReader(r)
+	case authTypeSignedV2, authTypePresignedV2:
+		_, s3ErrCode = s3a.iam.isReqAuthenticatedV2(r)
+	case authTypePresigned, authTypeSigned:
+		_, s3ErrCode = s3a.iam.reqSignatureV4Verify(r)
 	}
 	if s3ErrCode != ErrNone {
 		writeErrorResponse(w, s3ErrCode, r.URL)