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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> Co-authored-by: Andrew Thornton <art27@cantab.net> Co-authored-by: Lauris BH <lauris@nix.lv> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
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@ -44,24 +44,13 @@ type ContentStore struct {
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}
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// Get takes a Meta object and retrieves the content from the store, returning
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// it as an io.Reader. If fromByte > 0, the reader starts from that byte
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func (s *ContentStore) Get(meta *models.LFSMetaObject, fromByte int64) (io.ReadCloser, error) {
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// it as an io.ReadSeekCloser.
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func (s *ContentStore) Get(meta *models.LFSMetaObject) (storage.Object, error) {
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f, err := s.Open(meta.RelativePath())
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if err != nil {
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log.Error("Whilst trying to read LFS OID[%s]: Unable to open Error: %v", meta.Oid, err)
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return nil, err
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}
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if fromByte > 0 {
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if fromByte >= meta.Size {
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return nil, ErrRangeNotSatisfiable{
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FromByte: fromByte,
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}
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}
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_, err = f.Seek(fromByte, io.SeekStart)
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if err != nil {
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log.Error("Whilst trying to read LFS OID[%s]: Unable to seek to %d Error: %v", meta.Oid, fromByte, err)
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}
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}
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return f, err
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}
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@ -67,5 +67,5 @@ func IsPointerFile(buf *[]byte) *models.LFSMetaObject {
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// ReadMetaObject will read a models.LFSMetaObject and return a reader
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func ReadMetaObject(meta *models.LFSMetaObject) (io.ReadCloser, error) {
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contentStore := &ContentStore{ObjectStorage: storage.LFS}
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return contentStore.Get(meta, 0)
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return contentStore.Get(meta)
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}
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@ -175,6 +175,11 @@ func getContentHandler(ctx *context.Context) {
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statusCode = 206
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fromByte, _ = strconv.ParseInt(match[1], 10, 32)
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if fromByte >= meta.Size {
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writeStatus(ctx, http.StatusRequestedRangeNotSatisfiable)
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return
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}
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if match[2] != "" {
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_toByte, _ := strconv.ParseInt(match[2], 10, 32)
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if _toByte >= fromByte && _toByte < toByte {
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@ -188,18 +193,24 @@ func getContentHandler(ctx *context.Context) {
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}
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contentStore := &ContentStore{ObjectStorage: storage.LFS}
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content, err := contentStore.Get(meta, fromByte)
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content, err := contentStore.Get(meta)
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if err != nil {
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if IsErrRangeNotSatisfiable(err) {
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writeStatus(ctx, http.StatusRequestedRangeNotSatisfiable)
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} else {
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// Errors are logged in contentStore.Get
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writeStatus(ctx, 404)
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}
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// Errors are logged in contentStore.Get
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writeStatus(ctx, http.StatusNotFound)
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return
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}
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defer content.Close()
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if fromByte > 0 {
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_, err = content.Seek(fromByte, io.SeekStart)
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if err != nil {
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log.Error("Whilst trying to read LFS OID[%s]: Unable to seek to %d Error: %v", meta.Oid, fromByte, err)
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writeStatus(ctx, http.StatusInternalServerError)
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return
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}
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}
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contentLength := toByte + 1 - fromByte
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ctx.Resp.Header().Set("Content-Length", strconv.FormatInt(contentLength, 10))
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ctx.Resp.Header().Set("Content-Type", "application/octet-stream")
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