| 151 | } |
| 152 | |
| 153 | func (k defaultKeyer) GenerateDeviceFileKey(key, folder, device, name []byte) (deviceFileKey, error) { |
| 154 | folderID, err := k.folderIdx.ID(folder) |
| 155 | if err != nil { |
| 156 | return nil, err |
| 157 | } |
| 158 | deviceID, err := k.deviceIdx.ID(device) |
| 159 | if err != nil { |
| 160 | return nil, err |
| 161 | } |
| 162 | key = resize(key, keyPrefixLen+keyFolderLen+keyDeviceLen+len(name)) |
| 163 | key[0] = KeyTypeDevice |
| 164 | binary.BigEndian.PutUint32(key[keyPrefixLen:], folderID) |
| 165 | binary.BigEndian.PutUint32(key[keyPrefixLen+keyFolderLen:], deviceID) |
| 166 | copy(key[keyPrefixLen+keyFolderLen+keyDeviceLen:], name) |
| 167 | return key, nil |
| 168 | } |
| 169 | |
| 170 | func (defaultKeyer) NameFromDeviceFileKey(key []byte) []byte { |
| 171 | return key[keyPrefixLen+keyFolderLen+keyDeviceLen:] |