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cache: Refuse to cache truncated files

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This commit is contained in:
Alexander Neumann 2017-10-05 20:40:02 +02:00
parent d886bc6c48
commit cebee0b8fa
1 changed files with 9 additions and 1 deletions
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10
internal/cache/file.go vendored
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@ -111,13 +111,21 @@ func (c *Cache) Save(h restic.Handle, rd io.Reader) error {
return err return err
} }
if _, err = io.Copy(f, rd); err != nil { n, err := io.Copy(f, rd)
if err != nil {
_ = f.Close() _ = f.Close()
_ = c.Remove(h) _ = c.Remove(h)
return errors.Wrap(err, "Copy") return errors.Wrap(err, "Copy")
} }
if n <= crypto.Extension {
_ = f.Close()
_ = c.Remove(h)
return errors.Errorf("trying to cache truncated file %v", h)
}
if err = f.Close(); err != nil { if err = f.Close(); err != nil {
_ = c.Remove(h)
return errors.Wrap(err, "Close") return errors.Wrap(err, "Close")
} }