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package git
import (
"fmt"
"io"
"net/http"
"gitlab.com/gitlab-org/gitaly/v15/proto/go/gitalypb"
"gitlab.com/gitlab-org/gitlab/workhorse/internal/api"
"gitlab.com/gitlab-org/gitlab/workhorse/internal/gitaly"
"gitlab.com/gitlab-org/gitlab/workhorse/internal/helper/fail"
"gitlab.com/gitlab-org/gitlab/workhorse/internal/log"
"gitlab.com/gitlab-org/gitlab/workhorse/internal/senddata"
)
type snapshot struct {
senddata.Prefix
}
type snapshotParams struct {
GitalyServer api.GitalyServer
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(¶ms, sendData); err != nil {
fail.Request(w, r, fmt.Errorf("SendSnapshot: unpack sendData: %v", err))
return
}
request := &gitalypb.GetSnapshotRequest{}
if err := gitaly.UnmarshalJSON(params.GetSnapshotRequest, request); err != nil {
fail.Request(w, r, fmt.Errorf("SendSnapshot: unmarshal GetSnapshotRequest: %v", err))
return
}
ctx, c, err := gitaly.NewRepositoryClient(r.Context(), params.GitalyServer)
if err != nil {
fail.Request(w, r, fmt.Errorf("SendSnapshot: gitaly.NewRepositoryClient: %v", err))
return
}
reader, err := c.SnapshotReader(ctx, request)
if err != nil {
fail.Request(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 {
log.WithRequest(r).WithError(fmt.Errorf("SendSnapshot: copy gitaly output: %v", err)).Error()
}
}
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