frostfs-s3-gw/api/handler/head.go

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package handler
import (
"net/http"
"strconv"
"github.com/gorilla/mux"
"github.com/nspcc-dev/neofs-s3-gate/api"
"github.com/nspcc-dev/neofs-s3-gate/api/layer"
"go.uber.org/zap"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (h *handler) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
var (
err error
inf *layer.ObjectInfo
req = mux.Vars(r)
bkt = req["bucket"]
obj = req["object"]
rid = api.GetRequestID(r.Context())
)
if inf, err = h.obj.GetObjectInfo(r.Context(), bkt, obj); err != nil {
h.log.Error("could not fetch object info",
zap.String("request_id", rid),
zap.String("bucket_name", bkt),
zap.String("object_name", obj),
zap.Error(err))
api.WriteErrorResponse(r.Context(), w, api.Error{
Code: api.GetAPIError(api.ErrInternalError).Code,
Description: err.Error(),
HTTPStatusCode: http.StatusInternalServerError,
}, r.URL)
return
}
w.WriteHeader(http.StatusOK)
w.Header().Set("Content-Type", inf.ContentType)
w.Header().Set("Content-Length", strconv.FormatInt(inf.Size, 10))
w.Header().Set("Last-Modified", inf.Created.Format(http.TimeFormat))
}
func (h *handler) HeadBucketHandler(w http.ResponseWriter, r *http.Request) {
var (
req = mux.Vars(r)
bkt = req["bucket"]
rid = api.GetRequestID(r.Context())
)
if _, err := h.obj.GetBucketInfo(r.Context(), bkt); err != nil {
h.log.Error("could not fetch object info",
zap.String("request_id", rid),
zap.String("bucket_name", bkt),
zap.Error(err))
code := http.StatusBadRequest
if st, ok := status.FromError(err); ok && st != nil {
switch st.Code() {
case codes.NotFound:
code = http.StatusNotFound
case codes.PermissionDenied:
code = http.StatusForbidden
}
}
api.WriteResponse(w, code, nil, api.MimeNone)
return
}
api.WriteResponse(w, http.StatusOK, nil, api.MimeNone)
}