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Add crc checks for Object Get()

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This commit is contained in:
Harshavardhana 2014-12-11 15:06:29 -08:00
parent b3af234ee2
commit 1166557da1
1 changed files with 8 additions and 0 deletions
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8
pkgs/storage/appendstorage/append_storage.go
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@ -68,12 +68,20 @@ func (storage *appendStorage) Get(objectPath string) (io.Reader, error) {
offset := header.Offset offset := header.Offset
length := header.Length length := header.Length
crc := header.Crc
object := make([]byte, length) object := make([]byte, length)
_, err := storage.file.ReadAt(object, offset) _, err := storage.file.ReadAt(object, offset)
if err != nil { if err != nil {
return nil, err return nil, err
} }
newcrc, err := crc32c.Crc32c(object)
if err != nil {
return nil, err
}
if newcrc != crc {
return nil, err
}
return bytes.NewBuffer(object), nil return bytes.NewBuffer(object), nil
} }