frostfs-s3-gw/api/handler/get.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"
)
func (h *handler) GetObjectHandler(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())
)
params := &layer.GetObjectParams{
Bucket: bkt,
Object: obj,
Writer: w,
}
if inf, err = h.obj.GetObjectInfo(r.Context(), bkt, obj); err != nil {
h.log.Error("could not find object",
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
}
params.Length = inf.Size
if err = h.obj.GetObject(r.Context(), params); err != nil {
h.log.Error("could not get object",
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.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))
}