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Close file on invalid range (Addition to #15166) (#15268)

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* Close file on invalid range.

* Close on seek error

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Moved 'Seek' into server.

* io.ReadSeekCloser is only available in Go 1.16

Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
This commit is contained in:
KN4CK3R
2021-04-06 15:22:34 +02:00
committed by GitHub
parent 1ba8b95eb4
commit 5f18404045
3 changed files with 21 additions and 29 deletions
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23
modules/lfs/content_store.go
View File

@@ -44,32 +44,13 @@ type ContentStore struct {
}
// Get takes a Meta object and retrieves the content from the store, returning
// it as an io.Reader. If fromByte > 0, the reader starts from that byte
func (s *ContentStore) Get(meta *models.LFSMetaObject, fromByte int64) (io.ReadCloser, error) {
// it as an io.ReadSeekCloser.
func (s *ContentStore) Get(meta *models.LFSMetaObject) (storage.Object, error) {
f, err := s.Open(meta.RelativePath())
if err != nil {
log.Error("Whilst trying to read LFS OID[%s]: Unable to open Error: %v", meta.Oid, err)
return nil, err
}
if fromByte > 0 {
if fromByte >= meta.Size {
err = f.Close()
if err != nil {
log.Error("Whilst trying to read LFS OID[%s]: Unable to close Error: %v", meta.Oid, err)
}
return nil, ErrRangeNotSatisfiable{
FromByte: fromByte,
}
}
_, err = f.Seek(fromByte, io.SeekStart)
if err != nil {
log.Error("Whilst trying to read LFS OID[%s]: Unable to seek to %d Error: %v", meta.Oid, fromByte, err)
errClose := f.Close()
if errClose != nil {
log.Error("Whilst trying to read LFS OID[%s]: Unable to close Error: %v", meta.Oid, errClose)
}
}
}
return f, err
}