debian-mirror-gitlab/workhorse/internal/git/snapshot.go
2021-02-22 17:27:13 +05:30

64 lines
1.7 KiB
Go

package git
import (
"fmt"
"io"
"net/http"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"gitlab.com/gitlab-org/gitlab-workhorse/internal/gitaly"
"gitlab.com/gitlab-org/gitlab-workhorse/internal/helper"
"gitlab.com/gitlab-org/gitlab-workhorse/internal/senddata"
)
type snapshot struct {
senddata.Prefix
}
type snapshotParams struct {
GitalyServer gitaly.Server
GetSnapshotRequest string
}
var (
SendSnapshot = &snapshot{"git-snapshot:"}
)
func (s *snapshot) Inject(w http.ResponseWriter, r *http.Request, sendData string) {
var params snapshotParams
if err := s.Unpack(&params, sendData); err != nil {
helper.Fail500(w, r, fmt.Errorf("SendSnapshot: unpack sendData: %v", err))
return
}
request := &gitalypb.GetSnapshotRequest{}
if err := gitaly.UnmarshalJSON(params.GetSnapshotRequest, request); err != nil {
helper.Fail500(w, r, fmt.Errorf("SendSnapshot: unmarshal GetSnapshotRequest: %v", err))
return
}
ctx, c, err := gitaly.NewRepositoryClient(r.Context(), params.GitalyServer)
if err != nil {
helper.Fail500(w, r, fmt.Errorf("SendSnapshot: gitaly.NewRepositoryClient: %v", err))
return
}
reader, err := c.SnapshotReader(ctx, request)
if err != nil {
helper.Fail500(w, r, fmt.Errorf("SendSnapshot: client.SnapshotReader: %v", err))
return
}
w.Header().Del("Content-Length")
w.Header().Set("Content-Disposition", `attachment; filename="snapshot.tar"`)
w.Header().Set("Content-Type", "application/x-tar")
w.Header().Set("Content-Transfer-Encoding", "binary")
w.Header().Set("Cache-Control", "private")
w.WriteHeader(http.StatusOK) // Errors aren't detectable beyond this point
if _, err := io.Copy(w, reader); err != nil {
helper.LogError(r, fmt.Errorf("SendSnapshot: copy gitaly output: %v", err))
}
}