[#117] Fix FrostFS interface usage

HTTP Gateway expects io.Reader to work with
payload, however `WithPayload` flag reads whole
payload into header object.

Signed-off-by: Alex Vanin <a.vanin@yadro.com>

internal/handler/download.go

@@ -157,9 +157,7 @@ func (h *Handler) zipObject(ctx context.Context, zipWriter *zip.Writer, addr oid
 		PrmAuth: PrmAuth{
 			BearerToken: btoken,
 		},
-		Address:     addr,
-		WithHeader:  true,
-		WithPayload: true,
+		Address: addr,
 	}
 
 	resGet, err := h.frostfs.ReadObject(ctx, prm)

internal/handler/handler.go

@@ -54,12 +54,6 @@ type PrmObjectRead struct {
 	// Address to read the object header from.
 	Address oid.Address
 
-	// Flag to read object header.
-	WithHeader bool
-
-	// Flag to read object payload. False overlaps payload range.
-	WithPayload bool
-
 	// Offset-length range of the object payload to be read.
 	PayloadRange [2]uint64
 }

internal/handler/head.go

@@ -33,8 +33,7 @@ func (h *Handler) headObject(ctx context.Context, req request, objectAddress oid
 		PrmAuth: PrmAuth{
 			BearerToken: btoken,
 		},
-		Address:    objectAddress,
-		WithHeader: true,
+		Address: objectAddress,
 	}
 
 	obj, err := h.frostfs.ReadObject(ctx, prm)
@@ -80,7 +79,6 @@ func (h *Handler) headObject(ctx context.Context, req request, objectAddress oid
 					BearerToken: btoken,
 				},
 				Address:      objectAddress,
-				WithPayload:  true,
 				PayloadRange: [2]uint64{0, sz},
 			}
 

internal/handler/reader.go

@@ -59,9 +59,7 @@ func (h *Handler) receiveFile(ctx context.Context, req request, objectAddress oi
 		PrmAuth: PrmAuth{
 			BearerToken: bearerToken(ctx),
 		},
-		Address:     objectAddress,
-		WithHeader:  true,
-		WithPayload: true,
+		Address: objectAddress,
 	}
 
 	rObj, err := h.frostfs.ReadObject(ctx, prm)