package handler import ( "fmt" "net/http" "strconv" "strings" "github.com/gorilla/mux" "github.com/nspcc-dev/neofs-api-go/pkg/acl" "github.com/nspcc-dev/neofs-node/pkg/policy" "github.com/nspcc-dev/neofs-s3-gw/api" "github.com/nspcc-dev/neofs-s3-gw/api/layer" "go.uber.org/zap" ) // keywords of predefined basic ACL values. const ( basicACLPrivate = "private" basicACLReadOnly = "public-read" basicACLPublic = "public-read-write" defaultPolicy = "REP 3" publicBasicRule = 0x0FFFFFFF ) func (h *handler) PutObjectHandler(w http.ResponseWriter, r *http.Request) { var ( err error info *layer.ObjectInfo req = mux.Vars(r) bkt = req["bucket"] obj = req["object"] rid = api.GetRequestID(r.Context()) ) if _, err := h.obj.GetBucketInfo(r.Context(), bkt); err != nil { h.log.Error("could not find bucket", zap.String("request_id", rid), zap.String("bucket_name", bkt), zap.Error(err)) api.WriteErrorResponse(r.Context(), w, api.Error{ Code: api.GetAPIError(api.ErrBadRequest).Code, Description: err.Error(), HTTPStatusCode: http.StatusBadRequest, }, r.URL) return } params := &layer.PutObjectParams{ Bucket: bkt, Object: obj, Reader: r.Body, Size: r.ContentLength, } if info, err = h.obj.PutObject(r.Context(), params); err != nil { h.log.Error("could not upload 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(api.ETag, info.HashSum) api.WriteSuccessResponseHeadersOnly(w) } func (h *handler) CreateBucketHandler(w http.ResponseWriter, r *http.Request) { var ( err error p = layer.CreateBucketParams{} rid = api.GetRequestID(r.Context()) req = mux.Vars(r) ) p.Name = req["bucket"] if val, ok := r.Header["X-Amz-Acl"]; ok { p.ACL, err = parseBasicACL(val[0]) } else { p.ACL = publicBasicRule } if err != nil { h.log.Error("could not parse basic ACL", zap.String("request_id", rid), zap.Error(err)) api.WriteErrorResponse(r.Context(), w, api.Error{ Code: api.GetAPIError(api.ErrBadRequest).Code, Description: err.Error(), HTTPStatusCode: http.StatusBadRequest, }, r.URL) } p.Policy, err = policy.Parse(defaultPolicy) if err != nil { h.log.Error("could not parse policy", zap.String("request_id", rid), zap.Error(err)) api.WriteErrorResponse(r.Context(), w, api.Error{ Code: api.GetAPIError(api.ErrBadRequest).Code, Description: err.Error(), HTTPStatusCode: http.StatusBadRequest, }, r.URL) } cid, err := h.obj.CreateBucket(r.Context(), &p) if err != nil { h.log.Error("could not create bucket", zap.String("request_id", rid), 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 } h.log.Info("bucket is created", zap.String("container_id", cid.String())) api.WriteSuccessResponseHeadersOnly(w) } func parseBasicACL(basicACL string) (uint32, error) { switch basicACL { case basicACLPublic: return acl.PublicBasicRule, nil case basicACLPrivate: return acl.PrivateBasicRule, nil case basicACLReadOnly: return acl.ReadOnlyBasicRule, nil default: basicACL = strings.Trim(strings.ToLower(basicACL), "0x") value, err := strconv.ParseUint(basicACL, 16, 32) if err != nil { return 0, fmt.Errorf("can't parse basic ACL: %s", basicACL) } return uint32(value), nil } }